Product Features: 100% New and high quality Easy to use Super-strong suction Light-weight and portable Vacuum basic Diameter:6.8cm For maximum holding strength, please attach the Suction Cup to a clean surface Suit for GoPro Hero 7 6 5 4 3 , SJ4000/5000/6000, Eken H9,Xiaomi Yi ,ect Sports Camera Warm reminder: Because of the special nature of the product, the plastic at the bottom may be a little wrinkled, but as long as the contact surface is flat when used, and the air inside is squeezed out, it does not affect the use of the product, thank you for your understanding! The Camera and waterproof housing case in the pictures above NOT included Package Include: 1 x Suction Cup ( with Adapter and Screw )