Features1ADJUSTABLE BELT: The swimming float has adjustable strap that can be tightened or loosened according to needs to meet different usage needs. 23 LAYERS DESIGN: 3 layer adjustable thickened separation layer design, which can increase or decrease the layers according to kids learning progress. 3EXCELLENT EVA: The swimming back float adopts excellent EVA material, with high pressure refinement, comfortable and environment friendly. 4GOOD PERFORMANCE: This swimming float has high density and strong buoyancy, making it difficult for kids to tear or squeeze, and does not absorb water. 5STABLE SUPPORT: The back buoyancy swimming waist belt can provide good floating support to maintain body balance, which is safe and practical.SpecificationItem Type: Swimming Back Float Product Size: Approx. 27.5 x 20.5 x 7.8cm / 10.8 x 8.1 x 3.1inApplicable People: Beginners of all ages, swimming trainingMaterial: EVAPackage List1 x Swimming Back Float (Random Color)