Comfort and support - Five blocks of closed-cell foam provide lightweight, comfortable buoyancy that sits smoothly against your body. The blocks can be adjusted to fit your waist and personal preference, helping you swim with ease and confidence. Quick-release buckle - A snap buckle makes the belt easy to put on and take off. It stays secure and comfortable in the water. The simple, robust design offers reliable safety during use. Flexible adjustment - Add or remove foam blocks on the belt to tune buoyancy and balance to your requirements. Whether you are a beginner or an expert, this belt adapts to your needs. Portable and compact - Lightweight and easy to carry, the belt can be worn at the front or back of the waist to suit your stance and preference. Its compact design supports convenient use at home, in the pool, or while traveling. Use scenarios - Swimming lessons or learning to float: use the adjustable buoyancy to build confidence and proper technique. - Lap swimming or water workouts: customize buoyancy to maintain balance and form during training. - Travel or hotel pool use: lightweight, packable buoyancy aid that works in various pool environments.