Stay Safe and Seen Underwater
Bright colours increase your visibility in every direction. Reliable material means lasting performance through many adventures. Every diver can use this lightweight tool for extra confidence. The Threo SMB fits easily into any standard diving kit.
High Visibility
Strong fluorescent shades stand out in open water. Rescue teams and boats will spot you immediately.


Easy Transport
This marker buoy folds up neatly and fits in your bag or pocket. Quick setup lets you focus on enjoying your dive safely.
Durable Construction
The Threo SMB is crafted from sturdy nylon with TPU coating. It is designed to handle challenging underwater conditions every time.

























Oscar T.
Hard to lose, fits my snorkeling gear.
Kate Z.
Easy to carry and very bright in water.
Jason E.
Setup is quick, color stands out nicely.
Chloe G.
Great for quick use, stores quickly.
Natalie L.
Inflates easily, perfect for travel dives.
Sam H.
I take this float on every dive now. Easy to find, packs up neatly, strong material. Feels safe knowing boats can see me.
Leah C.
Easy setup, floats well each time.
Dylan P.
Good for safety, color very noticeable.
Hailey V.
Bright and easy to deflate after diving.
Kevin F.
Good for ocean trips, packs away small.