The Mermaid Fin is a fun monofin pool toy ideal for young swimmers. The Mermaid Fin teaches a balanced dolphin kick while also allowing children to increase their confidence in the water. The Mermaid Fin comes with a comfortable TPE foot pocket and uses a quick-release foot strap so that feet can quickly be removed from the fin for safety. Ideal for children 15 and under， the Mermaid Fin fits shoe sizes male 1-6， female 2-7. The Mermaid Fin should only be used under adult supervision. Increase water confidenceBuild leg strengthQuick release foot strap for safetyTPR foot pocket to prevent irritationAdjustable neoprene foot strap (fits shoe sizes male 1-6， female 2-7)Ideal for children 15 and underUse only with adult supervisionSize: 40.5x16.2x41.5cm(as the picture shown) Weight:310gMaterial: PP+TPRPackage Included:1x Mermaid Fin