Features: Consist of TPR, PP paddle and silicone straps, adjustable and comfortable. Durable and pliable, can greatly improve the speed of swimming. Hydrodynamic optimization of material combinations and hole design. Perfectly decrease the resistance in water, ensures your better performance. Ergonomically designed shape perfectly fits your hand shape. 2 different sizes for choosing, suitable for most people. Help to release more hand strength when you are swimming. Make swimming more labor-saving. Flexible body to provide max comfort, great for swimming, diving, snorkeling and so on. Specifications: Condition: 100% Brand New and High Quality Material: PP + TPR Color: Blue, Yellow (optional) Size: S, L (optional) S: Approx. 190 x 130mm / 7.5 x 5.1inch L: Approx. 222 x 152mm / 8.7 x 5.9inch Weight: Approx. 157-216g Package Included: 1 x Pair of Hand Fins 1Consist of TPR, PP paddle and silicone straps, adjustable and comfortable. Durable and pliable, can greatly improve the speed of swimming. 2Hydrodynamic optimization of material combinations and hole design. Perfectly decrease the resistance in water, ensures your better performance. 3Ergonomically designed shape perfectly fits your hand shape. 2 different sizes for choosing, suitable for most people. 4Help to release more hand strength when you are swimming. Make swimming more labor-saving. 5Flexible body to provide max comfort, great for swimming, diving, snorkeling and so on.