💜Prominent Material Composition: The front of the inflatable snorkeling vest is constructed from a blend of and TPU excel in strength and lifespan than PVC. The back boasts 2.5mm soft diving grade material treated with SBR for enhanced resilience，while the Lycra fabric on both sides offers exceptional elasticity to accommodate various body shapes. 💜Effortless Fit Adjustment: Our swim vest is designed Side-Entry-Wear with soft Lycra fabric at the waist, enabling easy self-adjustment of tightness for a personalized and snug fit. This feature ensures that you can easily adjust the tightness of the vest even during urgent moments, increasing the convenience of your water adventures. 💜Quick Inflation Design: Our inflatable snorkel vests for adults features dual-lock safety valves for swift inflation in a mere 8 seconds, guaranteeing safe buoyancy in emergency situations. Ergonomically positioned valves facilitate easy buoyancy adjustment. To reduce buoyancy, you can simply release the valve and press down to release air. 💜Boosted Safety performance: Double buckles on the shoulders and waist appropriately, effectively preventing the snorkeling vest from slipping or sticking up in challenging environments like turbulent water conditions, enhancing safety during your water adventures. 💜Convenient Portability: The snorkeling vest can be deflated and folded into a flat small package, roughly the size of a a textbook, optimizing luggage space for hassle-free travel. Say goodbye to bulky travel gear and hello to a lighter, more streamlined journey. ASIN B0D31CGZYW Size X-Large Color Black-Blue Fit Type Regular Brand Name Zeraty Strap Type Webbing Closure Type Buckle Manufacturer Zeraty Model Number C201231FY01 Material Type Thermoplastic Polyurethane (TPU) Outer Material Thermoplastic Polyurethane (TPU) Additional Features Folding Included Components Instructions Warranty Description Prevent Sharp Objects Age Range Description Adult Manufacturer Part Number W1-HW-FBX-08756-3 Maximum Weight Recommendation 220 Pounds Personal Flotation Device Type Buoyancy Aid