["brand new and high quality\nFeatures:\nMade of high quality ABS materials, wear-resistant and durable, has a long-term possession.\nAdhesive design, installed on the bottom box, no complicated process.\nCaster rotation and precision ball bearings in the shaft make rolling easier.\nThese spare casters allow you to roll smoothly and quietly without making harsh noises, and ensure that you don’for t scratch or leave marks on any surface.\nAfter pasting this product on the bottom of the storage box, please leave it for 24 hours before use.\nAdhesive Pulley only, other accessories demo in the picture is not included.\n\nSpecification:\nMaterial: ABS Plastic + Acrylic Glue\nSize: approx.3 x 2cm/1.18 x 0.79in\nOptional Colors: Beige, Blue\nQuantity: 4 Pcs\n\nNote:\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n4 x Adhesive Pulley"]