Visual Sound, Inc. GPM Non Skid Pad Grip Mats in a set of three. Designed as an anti skid method to layer in between stacked cases. GPM Accessory Mat

Porter Case, Inc. GPM Non Skid Pad Grip Mats in a set of three. Designed as an anti skid method to layer in between stacked cases when the Porter Case is in the Cart position. A set of three non-skid grip mats, designed to be placed between stacked cases. They help slipery cases to more easily stay stacked on top when the Porter Case is in the CART position. Rubberized open woven anti skid material Normally comes in black