Feature 13 Layers: Swimming back float adopted 3 separation layers design, thick and durable, which can be removed as swimming skills improve. 2Swim Learning: Back float swim trainer helps children or adults learn to swim and provides them with confidence and safety in the water 3Impermeable: Thicken safety swim float is dense and buoyant, not easily torn or squeezed by children, which does not absorb moisture. 4Perfect Size: The size of the back float swim trainer is about 26 x 25 x 8cm / 10.2 x 9.8 x 3.1in, which is suitable for swim beginners in all ages. 5EVA Material: Kids back float swim trainer is made of EVA material, adopted high pressure refining, which is comfortable and skin friendly.Item Type: Safety Swim Back FloatMaterial: EVASize: Approx. 26 x 25 x 8cm / 10.2 x 9.8 x 3.1in Suitable for: Beginners of all ages, swimming training .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Safety Swim Back Float (Random Color)NotePlease allow small error due to manual measurement. Thanks for your understanding.