Hi-Vis Yellow Floaty - Float Sponge with 3M Adhesive - Accessory for GoPro Camera Hero4, Hero 3+ - XS Foto (AC019) Keep your GoPro Camera Safe and Afloat 3M Adhesive Sticker Included for Attachment to Backdoor High Visibility Bright Yellow Color Compatible with all GoPro Cameras Dimensions: 20mm x 50mm x 70mm