The low profile, locking, mobile storage container from ECR4Kids is perfect for protecting your valuables with ease and efficiency. It's great for college students who need to lock up their laptop, tablet computer, passport, wallet, and any other valuable items. This storage is also ideal for vacation homes, boats, or RV's. Simply place valuables in the container, lock the lid, and roll it under any standard bed frame. The ECR4Kids Lock and Roll includes a wire-braided security cable to secure to the bed frame or other fixed posts.