and the other has a combination of wire and nylon bristles

Fast-Fix Adhesive

The mat is made even more comfortable through its dual layer design

and Particle board

Spenco (#SPF) Flat Standard Insole (Full) 40-212 - One Pair Size:5 and the other has aSpenco (#SPF) Flat Standard Insole (Full) 40 212 Years of proven use and high quality are synonymous with SPENCO. Our slip in insoles provide long lasting heel to toe comfort. Washable, trim to fit with scissors. The lightest weight SPENCO Footcare Product fits all type of shoes. Absorbs impact, shock and side to side friction. Helps cushion and absorb shock better. Helps maximize energy return. 1 8"" thick. ""Closed cell"" system helps reduce