Features: Make of Plastic and TPRmaterial. That is antideformation, light weights, corrosions resistance and durability. Sturdys and maintains flexibility. Open heel feature and adjust able belt make the swim Fins suitable for different foot type and size. It use unique flame shape meshs insteps feature, it will help to reduce resistance and will feel comfortable. Fins help especially novices and childrens reduce leg fatigue. The short Fins is light weights for luggage and holiday accessorys. Quickly release hasps that maintains belt length of the you have set, so not need to adjust belt for every use, easy donning and doffing. Specifications: Materials: Plastic and TPRmaterial Color: Black Color/Purpleness Black Color/Blue Color Black Color/White Black Color/Pink Color Black Color/Turquoises Blue Color Black Color/Yellow Black Color Size: Small/M (38-41); L/Extras Large (42-45) (optional) Package Includes: 1Pair Snorkels Fins note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.