2 Wall-Mounted Installation Ways. No need to drill holes, each pot lid holder comes with 3 strong adhesive hooks. The set also includes screws and expansion tube fittings for hole-punching installation. Material: Metal. Size: about 34.5x16x6.1cm (13.6x6.3x2.4 inches). Package includes: 2 x Three Tier Pot Lid Rack, 4 x Square Adhesive Hooks, 2 x Rectangular Adhesive Hooks, 2 Pack of Screws, 2 Pack of Expansion Tube Sleeves.