1" High-Density Foam Pad: HH Perkins' 1" High-Density Foam Pad measures 20" x 20" and is one inch thick. Foam Pads can easily be cut to fit the size your project requires. Used to fill space for Shaker Tape, Splint, and binder Cane. 1" Foam Pads are used in upholstery, seat cushions, Shaker Tape weaving, and craft projects. Foam pads can complete any project due to their versatility and ample material.