Compatible with all Stack & Lock™ Storage Bags Four clear locking caster wheels Scratch resistant wheels protect your wood flooring Durable metal frame is painted to protect from corrosion instructions_tk-30053-rs.pdf The Stack & lock™ Storage System Customizable to Fit Your Needs! The Stack & lock™ system is the most efficient and versatile Christmas storage solution available. No longer do you need to buy individual rolling storage bags for each type of decoration you want to protect, struggling to arrange those un-stackable bags together when in storage. The Stack & Lock™ system allows you to create a customizable, modular storage solution tailored to your unique needs. Adjusting Icon Modular Customize To Fit Your Needs Ultimate Protection Icon The Ultimate Solution For All Your Storage Needs Stack 'em Up One, Two, Three, Four - Ornaments, Nutcrackers, and More! Since all Stack & Lock™ compatible bags work together, you can have as few or as many as you'd like, and arrange them in any order you choose. Simply add in a single rolling base to the bottom to complete your stack of storage bags, and roll everything right in and out of storage! Locked In Lock Each Bag Together, and Lock on The Rolling Base Whether you're storing ornaments, figurines, or other cherished holiday items, our self-standing bags interlock securely, making transportation effortless. Just stack your bags, lock the handles, and enjoy the peace of mind that comes with knowing your decorations are safe, secure, and easily accessible. All the Bags You Need Choose The Bags - Customize Your System to Fit Your Needs Our line up of Stack & Lock™ compatible storage bags range from Christmas Ornament Storage, to Collectible Figurine and Nutcracker storage bags, and more. Each bag features a self-standing frame, along with interlocking handles; Once you stack the bags on top of each other, the carrying handles clasp down to the above bag's frame, locking the bags together so you can easily transport them all in a safe and secure manner, and maximize your organization while in storage. Product Specs Clear Wheels Scratch-resistant material protects floor's finish Casters 4 free-motion, lockable caster wheels Patent-Pending This product's design or utility is currently patent-pending. Dimensions (L x W x H) 28" × 19" × 3" For Indoor Use Make your base last for years - Only use indoors One-Year Limited Warranty All products are backed by a 1 year warranty