2 Pieces EVA Groove Pattern Surf Kiteboard Pad Non-Slip Surfing Grip Tail Pads -

2 Pieces Surfboard Traction Pads. Material: EVA. It's just take you 1 minute. The traction pad is great for protecting the deck of your surfboard/kiteboard while providing the grip you need. Groove pattern ensures your front foot will be locked to your board when you are turning.

eBay