The closed cell Sponge Neoprene Sample Bag contains 6 pieces of 4 inch x 4 inch square in 1/4 inch, 1/8 inch, and 1/16 inch thickness both with plain backing and adhesive. This sample bag is perfect way to match and select which sponge neoprene would be best for your needs. They can be kept within your swatch library to refer back to or for an application that requires a smaller amount of the sponge neoprene. It is primarily used as a cushion and sealing tape against air and moisture. It is also an excellent door seal for truck and bus bodies, offload equipment and transformer cabinets. It can also be used for noise insulation, padding, expansion joints of precast concrete and steel, vapour barrier for prefab buildings, HVAC & refrigeration, automotive.