This is the strongest double wall corrugated-cardboard bicycle box on the market. Includes rigid CORR-X Frame Plate, all the tie downs, re-inforced handholds, liners, foam chocks and even the H-Strap System. This box is fully collapsible, and easily stored when not in use. Good for 5-10+ trips. This item is not waterproof. Wheel caddy available for this item: search SKU #100344. The brown box displayed in the picture is this item (#100342). The black box in the picture is item #100343, which is waterproof.