GoPro Anti-Fog Inserts for All Cameras, Pack of 15

Prevent lens fog in cold and humid environments. Compatibility: All GoPro waterproof housings and dive housings. Insert these Anti-Fog Inserts into any GoPro waterproof housing or dive housing to prevent fogging in cold and humid environments. Inserts will last up to four uses. To dry out and reuse, heat inserts on a pan in the oven at 300deg. F for five minutes. Store in an airtight bag.