Sturdy Material: These cabinet shelf pegs are made of quality acrylic material, reliable and sturdy, not easy to break. With a strong adhesive on the back, they are waterproof and oil resistant, designed to last. Quality Preferred: Made from high-quality acrylic and plastic materials. The back viscose adhesive provides strong adhesion, offering high load capacity and long service life. Package Included: The package includes 20 shelf support pegs. Each measures 7 x 7 cm (2.75 x 2.75 inches). Sufficient quantity to meet various organization needs. Punch-Free Design: No drilling or nailing required. Simply remove the backing and attach the shelf pegs to the desired location. The transparent design blends seamlessly without affecting aesthetics. Ensure the wall surface is clean and dry before installation. Allow 24 hours for full adhesion before placing items. Suitable Range: These adhesive shelf brackets are suitable for cabinets, wardrobes, bookshelves, wine cabinets, and display cabinets. They adhere firmly to metal, glass, wood, marble, ceramic tile, and other hard, smooth surfaces. Practical and easy to use.