Gill Athletics Soft Plyobox, Set Of 5, (3", 6", 12", 18", & 24")
28" X 28" Blocks.3" Block Is Built With 2.2# Density Polyethylene Foam, Other Sizes With 1.8#. Secured For Stacking W/ Industrial Strength Velcro. Vinyl Cover W/ 2 Reinforced Handles.Each Box Weighs Less Than 28Lbs.