Will I be able to freedive or scuba with this on (without damaging it?

Yes, you can go diving with Restube. However, you must keep the following in mind: When you descend, the ambient pressure increases by one bar for every 10 m of water depth; at the same time, the buoyancy force at depth is reduced because the gas is compressed. This results in the following buoyancy depending on the depth: 0m depth = 1 bar = full buoyancy = 75N = 7.5kg 10m depth = 2 bar = half buoyancy = 37.5N = 3.75kg 20m depth = 3 bar = third buoyancy = 25N = 2.5kg 30m depth = 4 bar = quarter buoyancy = 18,75N = 1,87 kg 40m depth = 5 bar = fifth buoyancy = 15N = 1,5 kg As you get higher again, the resulting buoyancy of the buoy increases until it is fully available again at 0m. The deeper you dive, the lower the buoyancy. Feel free to let me know if you have any further questions. Best regards, Philipp /for RESTUBE

How deep can i Submerge this?

You can go diving with Restube. However, you must keep the following in mind: When you descend, the ambient pressure increases by one bar for every 10 m of water depth; at the same time, the buoyancy force at depth is reduced because the gas is compressed. This results in the following buoyancy depending on the depth: 0m depth = 1 bar = full buoyancy = 75N = 7,5kg 10m depth = 2 bar = half buoyancy = 37.5N = 3.75kg 20m depth = 3 bar = third buoyancy = 25N = 2.5kg 30m depth = 4 bar = quarter buoyancy = 18,75N = 1,87 kg 40m depth = 5 bar = fifth buoyancy = 15N = 1,5 kg As you get higher again, the resulting buoyancy of the buoy increases until it is fully available again at 0m. So the deeper you dive, the lower the buoyancy. Feel free to let me know if you have any further questions. Best regards, Philipp /for RESTUBE

Is a CO2 cartridge pre-installed or sold separately?

There is one cartridge coming with the Restube. But it comes separately. You need to screw it in - but it's very easy. Please find attached the instruction video (starting at 0:50). It takes only one minute to make Restube ready to use. Let me know if you have any questions. Best regards, Philipp /for Restube

No, Restube is not certified as a personal floating device. At the moment, there is no category where Restube fits in to be certified as a pfd (there is no category for a belt with an attached floating buoy). Best regards, Philipp /for RESTUBE

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Description

🌊 Stay buoyant, stay bold — safety that fits your lifestyle.

FEATHERLIGHT COMPACT - Weighs just 160 grams and fits effortlessly in your gear without bulk.
DURABLE THERMOPLASTIC TPU BUILD - Crafted from premium TPU for long-lasting resistance against wear and water exposure.
INSTANT SAFETY AT YOUR FINGERTIPS - One-pull inflation mechanism for rapid deployment when seconds count.
UNIVERSAL FIT FOR ALL WATER ADVENTURES - Designed as a one-size-fits-all buoyancy aid for swimming, fishing, sailing, and SUP.
STREAMLINED DESIGN FOR MAXIMUM MOBILITY - Cylindrical form factor ensures minimal drag and maximum comfort in the water.

The Restube Beach One-Pull Inflatable Water Safety Buoy is a compact, ultra-lightweight flotation device made from durable thermoplastic polyurethane. Designed for quick one-pull inflation, it supports up to 80 kilograms and fits all adult users, making it an essential safety companion for swimming, fishing, sailing, and stand-up paddleboarding.

Specifications

Size	Small
Color	Sea Blue
Brand	restube
Material	Thermoplastic Polyurethane
Product Dimensions	19.69"L x 5.91"W
Item Weight	160 Grams
Age Range (Description)	Over 10 years age
Global Trade Identification Number	04260329280804
Item Form	Cylindrical (deflated), Buoy (inflated)
Manufacturer	Restube GmbH
Weight Limit	8E+1 Kilograms
Personal Flotation Device Type	Buoyancy Aid
Item Package Dimensions L x W x H	8.31 x 3.5 x 2.6 inches
Package Weight	0.24 Kilograms
Item Dimensions LxWxH	5.91 x 2.36 x 1.97 inches
Brand Name	restube
Suggested Users	unisex-adult
Number of Items	1
Part Number	RT-01101-SB
Model Year	2020

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