Sturdy Material: these cabinet shelf pegs are made of quality acrylic material, reliable and sturdy, not easy to break; What's more, with nice adhesive on the back, waterproof and oil proof, will serve you for a long timeQuality Preferred: Acrylic and plastic are high quality materials. Back viscose has strong stickiness. Those provides large bearing capacity and long-term service life.Package Included: package includes 20 pieces of shelf support pegs, each measures 7 x 7 cm/ 2.75 x 2.75 inches; Sufficient quantity can meet your various organize demandsPunch-Free Design: it don't need drilling or nailing, just tear off the back layer and paste the shelf holders pegs to desired positions, the transparent design won't affect the beauty; Please keep the wall dry and clean during installation, and place the rack 24 hours after installationSuitable Range: the adhesive shelf brackets are suitable for various kinds of cabinets, wardrobes, bookshelves, wine cabinets, display cabinets and so on, they can be firmly bonded with metal, glass, wood, marble, ceramic tile, plastic and other hard smooth surface, practical and simple