Features: Brand new and high quality Make from highly elastics material, these provide powerful propulsions and flexibility, improvings your efficiency in the water. These provide additional propulsions and assist in various swimming exercises, help you maximizing your workout and improve your technique. Achieve better swimming performances with our foot flippers. The designing ensures a fitting, allowing you to on your swim without any unwant movement. Our specially designing feature a secure that prevents the fin from slipping and falling during water activity. Suitable for both adults and childrens, our foot flippers is perfect for swimming enthusiasts of all age. Specifications: Material: Silicones Color Options: 5Color is Available as Show in the Pictures. Package Weight: about.155g Size: 36-39Yard/40-45Yard (Optional) Package Includes: 1 Pair Divings Ankle Protective Strap note: Please allow 1-2cm error due to manual measurement. Please make sures you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual colorful of the item. Thanks!