High quality TPE material: Soft, wear-resistant and durable, this TPE offers long-lasting flexibility and maintains its shape without deforming. Hollow design for comfort and storage: Lightweight and breathable, the hollow structure fits the fins well and makes handling and storage easier. Easy to use: Includes a practical grip for quick insertion and removal, saving time and effort during water activities. Shape retention: Keeps fins from collapsing on the shelf and preserves their original form for long-term use. Use scenarios: - Pool training and drills: Quick on/off and secure fit for repeated exercises. - Snorkeling or diving trips: Lightweight design reduces packing weight and enhances comfort in use. - Home storage and transport: Maintains shape between sessions and simplifies organization in gear bags.