Material: Silicone Size: S, M, L S: length, 19cm; width, 6.5cm; outer diameter, 28cm M: length, 17cm; width, 5.5cm; outer diameter, 24cm L: length, 15cm; width, 4cm; outer diameter, 21cm Color: pink, blue Quantity: 1 pair Package content: 2*hand webs 1.Unique designSwim like a frog and catch a wave fast. Extra elasticity and special cut, hydrodynamic shape, reusable design.Perfectly decrease the resistance in water, ensures your better performance. 2.ERGONOMICALLY DESIGNED: The kids flippers for swimming will help create a smooth stroke in the water. Ergonomically designed shape perfectly fits your hand shape. 3.Wide range of applicationsSuit for competitive swimming, surfing, body surfing, scuba diving, water polo, triathlon training, open water swimming, water rehabilitation and therapy, etc. 4.LIGHTWEIGHT: The swim flippers are light weight, does not impose an additional burden on swimming. Flexible body to provide max comfort, great for swimming, diving, snorkeling and so on. 5.USEAGE: Swim Training Hand Paddles help to release more hand strength when you are swimming. Make swimming more labor-saving. Suitable for swimming beginners to improve swimming skills and enhance arm strength.