Click through images for details Heavy duty cribbing storage and carry bag. Store 6 pieces of 24"commercial 4"x 4" (3.5" x 3.5")cribbing or a combination of 4"x 4" cribbing and wedges in an easy to carry and deploy bag. Made out of heavy duty material and Velcro with reinforcement stitching these bags are produced by the sister of a Fire Captain. These bags have been proven to hold up great over the years and are easy to pop open.