VEVOR Trolley Cart Dental Lab Mobile Rolling Serving Cart 3 Layers with SocketProduct Features Sturdy 3 Tier Design The three layer design allows for super easy storage of supplies, providing easy and systematized access to the items. The middle layer of the rolling lab cart is adjustable and accommodates supplies of different sizes. Solid Steel Construction With a solid steel structure, this lab trolley supports up to 88 lbs, and accommodates lab equipment, items, and other supplies. Also, the white painted surface is smooth,