From Sunnylife, this swim vest features: Salty the Shark Centre front zip with Velcro tab and anti ride strap for secure fit Develops swimming abilities while also building confidence in young swimmers Meets all market standards Made from durable neoprene for buoyancy and warmth Max. weight: SIZE 1-2: 15KG/33LBS. SIZE 2-3: 19KG/42LBS Weight: 1-2: 0.2 kg | 0.5 lb 2-3: 0.23 kg | 0.51 lb Product Dimensions 1-2: 34x32x4 .5 cm 1-2: 13.4x12.6x1.8 in 2-3: 37x32.5x5 cm 2-3: 14.6x12.8x2 in Material EPE, Neoprene, Polyester Imported.