This mouth mount set is specially designed for 5 Session/ 4/3+ 3/2/1, and and some other action . It's used to mount the and protect your from sinking . Applicable for snorkeling, scuba diving, surfing or any other water activity. A must-have for those who love action photographing underwater. Feature - ColorAssorted Color - Material: ABS, silicone, fabric - Size: Approx. 15 x 10 x 5 cm/ 5.9 x 3.93 x 1.96 inch (LxWxH) - Designed for 1, 2, 3, 4, 5 and Sj6000 Sj7000 Action . - Premium silicone mouth mount, , , , non-breaking, robust, for durable and safe use as well as comfortable wearing. - Professional bobber buoyancy keeps your float. - The mouth mount gives a great angle for video shots when surfing. It's completely breathable while wearing the mouth mount. - With professional floaty and neck strap, it gives your device dual protection. - Applicable in water sports such as surfing, diving, snorkeling, etc. - Come with an adjustable strap to give double protection for your device in order to avoid dropping. Package list: 3 x Surfing Diving Underwater Silicone Mouth Bite Mount Mount Set With Buoyancy And Neck Lanyard For 5 Session/ 4/3+ 3/2/1 Sj6000 Sj7000 Action