1.HIGH-THRUST FINS, STRONG POWER Swim Fins uses a unique open toe and cool flame-shaped mesh instep design, streamlined dual-channel drainage, which helps reduce resistance and provides strong underwater propulsion 2.EASY TO PUT ON AND TAKE OFFAdjustable open heel design and straps, quick release buckle,large thumb loops, let you easily put on and take off diving fins. Adjustable scuba fins suitable for different foot types and sizes, perfect to share with your friends and family.(Reminder: Please purchase sizes up if wear with dive booties together) 3.Super FlexibilityThis fin is composed of 3 kinds of materials.The foot pocket with TPR material+ Blade with PP+Buckle with PC. That's anti-deformation, lightweight, durability and corrosion resistant. So it has super flexibility, comfortable to wear and don't need to worry about grinding your feet , In addition, Non-slip sole,safety and sturdy 4.Multiple Usage ScenariosThe swim flippers will be a useful diving/swimming/snorkel aid gear for swim-lovers and snorkelers.Compact size,easily fitting in any suitcase or backpack.2 unisex size choice for teens, youth, adults(women, men) 5.REMINDERS ABOUT FLIPPERSIn order to maintain the shape of flippers, there are filter pads inside. Please take them out before use and plug them back after use.