- Enhance your swimming experience with this essential accessory designed specifically for swim fins. Compatible with feather tubes featuring a 12 mm outer diameter. - Enjoy a secure fit with a design that ensures comfort and minimizes slippage during use. - Crafted from durable EPDM materials, this accessory is built to withstand regular use in aquatic environments. - Featuring a specially treated rubber exterior, it offers excellent anti-slip performance, ensuring safety while you swim. The robust construction also resists damage, providing long-lasting reliability. - Ideal for various scenarios, whether you're training in the pool, participating in water sports, or enjoying a leisurely swim at the beach. This accessory helps improve your performance and stability in the water. - Lightweight and easy to attach, it seamlessly integrates with your existing swim gear, making it a practical addition for both casual swimmers and competitive athletes. - With its superior grip and compatibility, this accessory is a must-have for anyone looking to enhance their swimming experience.