- Upgrade your storage solutions with these 4PCS rotatable caster wheels designed specifically for storage boxes. - Each wheel measures 20mm x 20mm, making them compact yet highly functional. - Enjoy effortless movement with smooth rotation that simplifies the transportation of your storage boxes, whether at home or in a workspace. - Crafted from durable nylon, these wheels are built to withstand regular use, ensuring long-lasting performance. - This set includes 4 caster wheels, providing all the components you need to enhance your storage box functionality. - Ideal for organizing items in your garage, office, or craft room, these wheels make it easy to access your belongings without lifting heavy boxes. - Perfect for mobile storage solutions, you'll find these wheels advantageous for rolling out containers during events, cleaning, or everyday use. - These nylon wheels are not only practical but also compatible with a variety of storage box designs, ensuring versatility in your organization efforts. - Invest in a reliable and efficient way to move your storage boxes with these essential caster wheels.