Description: 【Silicone Material】: Scuba Diving Snorkel Strap Keeper is made of silicone, which has good flexibility and durability, ensuring a comfortable and fit during your underwater adventures 【Compact Size】: Dive Mask Strap Tube Holder's size is 8.8cmx3.3cmx0.35cm/3.46inchx1.30inchx0.14inch, and the hole diameter is 2.7cm/1.06inch, designed to fit tightly with various snorkeling masks to enhance your diving experience 【Versatile Water Activities Use】: Scuba Dive Snorkel Clip is suitable for diving, snorkeling and diving, suitable for beginners and experienced divers who want to enhance their equipment with reliable accessories 【Enhanced Durability】: Snorkeling Mask Keystand not only provides good toughness, but also ensures reliability and durability even in challenging underwater conditions 【Professional Design】: Snorkel Keeper Lock is specially designed to fix the breathing tube to the mask, which is practical and convenient, and very helpful for diving enthusiasts Specification: Material: Silicone   Size Chart: 8.8cmx3.3cmx0.35cm/3.46inchx1.30inchx0.14inch Aperture:2.7cm/1.06inch Package Includes: 1 Snorkel Keeper Holder Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!