Zoggs Sea Unicorn Water Wings Swimming Vest is a product designed specifically to help swimmers develop confidence and technique when in the water. The swimming vest provides buoyancy and maximum arm movement, allowing swimmers to float with ease while they practice techniques including sculling, float kick, back paddle, and more. The Zoggs water wings swim vest provides fixed buoyancy and encourages a natural swimming position perfect to use in between swimming lessons. Aqua with Sea Unicorn print. Neoprene body Foam floats sewn into the arms and shoulders to provide buoyancy. Back zip with Velcro tab to hold it in place. Available in 1 - 2 yrs. (11-15kg), 2-3yrs (15-18kg) 4-5yrs (18-25kg). Refer to the weight range for the best fit for your child. Stage 2 Learn to Swim. 100% neoprene body 84% polyester 16% elastane rib Always use under constant adult supervision.