The Heel Hole Preventer in White from Trainer Armour.

Heel Hole Preventer patches are suitable for most types of footwear. The 'wrap-around' style self-adhesive patches can be used to prevent or repair holes in the heel area. Available in black patches. Available in black or white colored patches.

• The patch wraps around the whole heel area giving protection on the sides as well as the rear.
• It’s best to fit Trainer Armour Heel Hole Preventer patches in new footwear to prevent heel holes, but they can also be used to fix a hole when it first becomes visible. 
• Suitable for all shoe sizes. Each pack contains 2 patches. The overall size of each patch is 120 x 50mm. If a specific shape is required the patches can be trimmed to suit.