---
title: Safety Buoy | B2C Restube FAQ
description: Here you can find what a Safety Buoy is, how the models differ, and includes information on technology, usage, CO₂ cartridges, and care.
---
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1. [B2C Restube FAQ](https://knowledge.restube.com/)
2. [Safety Buoy](https://knowledge.restube.com/safety-buoy)
# Safety Buoy
Here you can find what a Safety Buoy is, how the models differ, and includes information on technology, usage, CO₂ cartridges, and care.
## Introduction
- [What is a safety buoy?](https://knowledge.restube.com/what-is-a-safety-buoy)
- [How does a safety buoy work?](https://knowledge.restube.com/how-does-a-safety-buoy-work)
- [What are the benefits of a safety buoy?](https://knowledge.restube.com/what-are-the-benefits-of-a-safety-buoy)
- [What is a safety buoy for?](https://knowledge.restube.com/what-is-a-safety-buoy-for)
- [What materials are used for the manufacture of a safety buoy?](https://knowledge.restube.com/what-materials-are-used-for-the-manufacture-of-a-safety-buoy)
- [When is it necessary to use a safety buoy?](https://knowledge.restube.com/when-is-it-necessary-to-use-a-safety-buoy)
- [Which critical situations in the water make it crucial to have a Safety Buoy?](https://knowledge.restube.com/which-potential-dangers-in-the-water-make-it-crucial-to-have-a-safety-buoy)
- [Where can you buy a safety buoy?](https://knowledge.restube.com/where-can-you-buy-a-safety-buoy)
- [Who is PFD for?](https://knowledge.restube.com/who-is-pfd-by-restube-for)
- [Who is RESTUBE KIDS for?](https://knowledge.restube.com/who-is-resetube-kids-for)
- [Who is RESTUBE EXTREME for?](https://knowledge.restube.com/who-is-restube-extreme-for)
- [Who is RESTUBE ACTIVE for?](https://knowledge.restube.com/who-is-restube-active-for)
- [Who is RESTUBE BEACH for?](https://knowledge.restube.com/who-is-restube-beach-for)
- [How much does a Safety Buoy cost?](https://knowledge.restube.com/how-much-does-a-safety-buoy-cost)
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## In Use
- [Is the RESTUBE Safety Buoy allowed in triathlons or Ironman races?](https://knowledge.restube.com/is-the-restube-safety-buoy-allowed-in-triathlons-or-ironman-races)
- [Can I use the RESTUBE safety buoy more than once?](https://knowledge.restube.com/can-i-use-restube-more-than-once)
- [How can the RESTUBE safety buoy help me?](https://knowledge.restube.com/how-can-restube-help-me)
- [Is the RESTUBE safety buoy intended for everyone, regardless of their stature?](https://knowledge.restube.com/is-restube-intended-for-everyone-regardless-of-their-stature)
- [Does the RESTUBE safety buoy pull me up?](https://knowledge.restube.com/does-restube-pull-me-up)
- [Is the RESTUBE safety buoy permitted in competitions?](https://knowledge.restube.com/is-restube-permitted-in-competitions)
- [Is there a weight limit for the RESTUBE Safety Buoy?](https://knowledge.restube.com/how-heavy-can-you-be)
- [How can I help others with the RESTUBE safety buoy?](https://knowledge.restube.com/how-can-i-help-others-with-restube)
- [I am a very good swimmer, so why do I have a need for a RESTUBE safety buoy?](https://knowledge.restube.com/i-am-a-very-good-swimmer-so-why-do-i-have-a-need-for-a-restube)
- [Can I dive under a wave when the RESTUBE safety buoy is released?](https://knowledge.restube.com/can-i-dive-under-a-wave-when-the-restube-is-released)
- [Can I give a RESTUBE safety buoy to my children?](https://knowledge.restube.com/can-i-give-restube-to-my-children)
- [How do I screw in the cartridge correctly? / How do I get my RESTUBE safety buoy ready to go?](https://knowledge.restube.com/how-do-i-screw-in-the-cartridge-correctly-/-how-do-i-get-my-restube-ready-to-go)
- [How do I pack the Safety Buoy again?](https://knowledge.restube.com/how-do-i-pack-restube-again)
- [Why do I need a RESTUBE safety buoy?](https://knowledge.restube.com/why-do-i-need-restube)
- [How do I attach RESTUBE safety buoy to my body?](https://knowledge.restube.com/how-do-i-attach-restube-to-my-body)
- [How do I attach the LED to my RESTUBE safety buoy?](https://knowledge.restube.com/how-do-i-attach-the-led-to-my-restube)
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## Technology
- [What exactly is the RESTUBE Safety System?](https://knowledge.restube.com/what-exactly-is-the-restube-safety-system)
- [How do the RESTUBE Safety Buoy models differ in construction and intended use?](https://knowledge.restube.com/how-do-the-restube-safety-buoy-models-differ-in-construction-and-intended-use)
- [What is the difference between RESTUBE BEACH, ACTIVE and EXTREME?](https://knowledge.restube.com/what-is-the-difference-between-restube-beach-active-and-extreme)
- [Can I take RESTUBE safety buoy on the airplane?](https://knowledge.restube.com/flying-with-restube)
- [The safety buoy is losing air. What should I do?](https://knowledge.restube.com/the-buoy-is-losing-air.-what-should-i-do)
- [Where can I get the RESTUBE Ready Connector?](https://knowledge.restube.com/where-can-i-get-the-restube-ready-connector)
- [In which languages are the instructions for use available?](https://knowledge.restube.com/in-which-languages-are-the-instructions-for-use-available)
- [Where was RESTUBE developed?](https://knowledge.restube.com/where-was-restube-developed)
- [How long is the included hip belt?](https://knowledge.restube.com/how-long-is-the-included-hip-belt)
- [What is RESTUBE safety buoy?](https://knowledge.restube.com/what-is-restube)
- [Is RESTUBE safety buoy a replacement for a life jacket?](https://knowledge.restube.com/is-restube-a-replacement-for-a-life-jacket)
- [What are the dimensions for RESTUBE BEACH, ACTIVE and EXTREME?](https://knowledge.restube.com/what-are-the-dimensions-for-restube-beach-active-and-extreme)
- [What do you do if you’ve lost the mouth valve?](https://knowledge.restube.com/what-do-you-do-if-youve-lost-the-mouth-valve)
- [How does RESTUBE safety buoy work?](https://knowledge.restube.com/how-does-restube-work)
- [Why is RESTUBE safety buoy not a Personal Protection Equipment (PPE)?](https://knowledge.restube.com/why-is-restube-not-a-personal-protection-equipment-ppe)
- [What is the green clip good for?](https://knowledge.restube.com/what-is-the-green-clip-good-for)
- [Where can I find the manual?](https://knowledge.restube.com/where-can-i-find-the-manual)
- [How safe are the RESTUBE products?](https://knowledge.restube.com/how-safe-is-restube)
- [Where can I buy RESTUBE products?](https://knowledge.restube.com/where-can-i-buy-restube)
- [Why should the mouth valve only be emptied with the cap, and why doesn’t it clamp tightly?](https://knowledge.restube.com/why-should-the-mouth-valve-only-be-emptied-with-the-cap-and-why-doesnt-it-clamp-tightly)
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## CO₂ CARTRIDGE
- [How much pressure is in the cartridge?](https://knowledge.restube.com/how-much-pressure-is-in-the-cartridge)
- [Can RESTUBE BEACH burst if you accidentally install a 16g cartridge?](https://knowledge.restube.com/can-restube-beach-burst-if-you-accidentally-install-a-16g-cartridge)
- [How much content does a cartridge have?](https://knowledge.restube.com/how-much-content-does-a-cartridge-have)
- [Can I use other cartridges such as the bicycle pump cartridges as replacements?](https://knowledge.restube.com/can-i-use-other-cartridges-such-as-the-bicycle-pump-cartridges-as-replacements)
- [How much does a cartridge weigh?](https://knowledge.restube.com/how-much-does-a-cartridge-weigh)
- [How long can the RESTUBE safety buoy be used as soon as the CO2 cartridge is inserted?](https://knowledge.restube.com/how-long-can-the-restube-safety-buoy-be-used-as-soon-as-the-co2-cartridge-is-inserted)
- [Traces of corrosion or rust can be seen on the cartridge. Is that bad?](https://knowledge.restube.com/traces-of-corrosion-or-rust-can-be-seen-on-the-cartridge.-is-that-bad)
- [Where is the cartridge produced?](https://knowledge.restube.com/where-is-the-cartridge-produced)
- [How many times can a CO2 cartridge be used?](https://knowledge.restube.com/how-many-times-can-a-co2-cartridge-be-used)
- [Are the cartridges being refilled?](https://knowledge.restube.com/are-the-cartridges-being-refilled)
- [What kind of gas is in the cartridge?](https://knowledge.restube.com/what-kind-of-gas-is-in-the-cartridge)
- [How do I change the CO2 cartridges?](https://knowledge.restube.com/how-do-i-change-the-co2-cartridges)
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## Care
- [Care](https://knowledge.restube.com/care)
- [Make ready for use](https://knowledge.restube.com/make-ready-for-use-)
- [Disposal](https://knowledge.restube.com/disposal)
- [Lifespan & shelf life](https://knowledge.restube.com/lifespan-shelf-life)
- [My RESTUBE safety buoy is 5 years old. What to do now?](https://knowledge.restube.com/my-restube-safety-buoy-is-5-years-old.-what-to-do-now)
- [What is the best way to dry my RESTUBE product?](https://knowledge.restube.com/what-is-the-best-way-to-dry-my-restube-product)
- [Trigger test](https://knowledge.restube.com/trigger-test)
- [What should I look out for during a visual inspection?](https://knowledge.restube.com/visual-inspection)
- [Mouth valve test](https://knowledge.restube.com/mouth-valve-test)
- [How often should I service my RESTUBE product?](https://knowledge.restube.com/maintenance-intervals)
- [Can I inspect and maintain my RESTUBE product on my own?](https://knowledge.restube.com/maintenance)
- [Air tightness of the buoy](https://knowledge.restube.com/air-tightness-of-the-buoy)
See less ▼
- [Help & Support](https://knowledge.restube.com/help-support#main-content)
- [Shipping & Delivery](https://knowledge.restube.com/help-support#shipping-delivery)
- [Returns & Refunds](https://knowledge.restube.com/help-support#returns-refunds)
- [Order](https://knowledge.restube.com/help-support#order)
- [General](https://knowledge.restube.com/general)
- [Safety Buoy](https://knowledge.restube.com/safety-buoy#main-content)
- [Introduction](https://knowledge.restube.com/safety-buoy#introduction)
- [In Use](https://knowledge.restube.com/safety-buoy#in-use)
- [Technology](https://knowledge.restube.com/safety-buoy#technology)
- [CO₂ CARTRIDGE](https://knowledge.restube.com/safety-buoy#co-cartridge)
- [Care](https://knowledge.restube.com/safety-buoy#care)
- [Swim Buoy](https://knowledge.restube.com/swim-buoy)
- [Water activities](https://knowledge.restube.com/water-activities)
- [Professional Rescue](https://knowledge.restube.com/professional-rescue#main-content)
- [Operational Use & Equipment](https://knowledge.restube.com/professional-rescue#operational-use-equipment)
- [Maintenance](https://knowledge.restube.com/professional-rescue#maintenance)
- [Add-Ons](https://knowledge.restube.com/add-ons#main-content)
- [Drybag](https://knowledge.restube.com/add-ons#drybag)
- [Backpack straps](https://knowledge.restube.com/add-ons#backpack-straps)
- [RESTUBE READY Cam Connector](https://knowledge.restube.com/add-ons#restube-ready-cam-connector)
- [First aid kit](https://knowledge.restube.com/add-ons#first-aid-kit)
- [The ultimate safety kit](https://knowledge.restube.com/add-ons#the-ultimate-safety-kit)
- [Swimming cap](https://knowledge.restube.com/add-ons#swimming-cap)
- [The complete set for sporty swimmers](https://knowledge.restube.com/add-ons#the-complete-set-for-sporty-swimmers)
- [Ice swimming safety kit](https://knowledge.restube.com/add-ons#ice-swimming-safety-kit)
- [Waterproof smartphone case by RESTUBE & Fidlock](https://knowledge.restube.com/add-ons#waterproof-smartphone-case-by-restube-fidlock)
- [°hf Connect SUP Board Leash](https://knowledge.restube.com/add-ons#hf-connect-sup-board-leash)
- [SafeTrx ACTIVE Watch](https://knowledge.restube.com/add-ons#safetrx-active-watch)
- [BuddySwim GOGGLES OZEAN](https://knowledge.restube.com/add-ons#buddyswim-goggles-ozean)
- [Dog Life Jacket](https://knowledge.restube.com/add-ons#dog-life-jacket)
- [Working with RESTUBE](https://knowledge.restube.com/working-with-restube)
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