ProForce Rebreakable Boards Color:Yellow Zipper is centered on top

Zipper is centered on top for maximum storage capacity plus two zippered end compartments for additional storage

Each mat weighs 6 lbs

Heavy duty stainless steel detachable 2-piece swivel

Choose a cuff size 1 inch smaller than your recorded measurement for moderate compression

PVC inner bladder

ProForce Rebreakable Boards Color:Yellow Zipper is centered on topJust slide together and start breaking. High impact molded plastic allows boards to be broken over and over again. Rubber pad covers both sides and provides a sure grip for the holder. Measures 9" x 12". Each sold separately. Available in Yellow (4 16"), Blue (5 16"), Red (6 16") and Black (10 16"). Wooden Board Equivalents: the 4 16" thick Yellow board is the equivalent of a 1 2" wooden board. the 5 16" thick Blue board is the equivalent of a 3 4"