Description: [Swimming Fins]The swimming short fins derives from duck tipped flippers for improving swimming speed and stroke. [High Quality]The snorkel fins are made of premium silicone material,highly flexible,delicate and soft. [Ergonomic]The swim fins are with for ergonomic design,proper fitting and comfortable to wear. [Non Slip]The swim flippers for training is with non slip bottom,preventing the soles from slipping. [Wide Applications]The swim fins are lightweight,easy carrying in luggage or backpack,suitable for swimming,snorkeling,scuba diving,etc. Specifications: Material:Silicone Size: XS:outer length 27cm/10.63inch,outer width 13.5cm/5.31inch,inner length 20.5cm/8.07inch,inner width 8.5cm/3.35inch S:outer length 28cm/11.02inch,outer width 14cm/5.51inch,inner length 21cm/8.27inch,inner width 8.5cm/3.35inch M:outer length 32cm/12.6inch,outer width 16cm/6.3inch,inner length 23.5cm/9.25inch,inner width 9.5cm/3.74inch L:outer length 34.5cm/13.58inch,outer width 17cm/6.69inch,inner length 26cm/10.24inch,inner width 11cm/4.33inch Note: Please allow slightly errors due to manual measurement and different monitors. Package included: 1 Pair of Kids Swim Fins