About this item QUALITY: Our double-sided self-adhesive wall hooks are made of high-quality PVC material and are sturdy and durable in use. No need to drill holes, no damage to walls or glass.water-resistant, oil-proof, humidity, and heat-resistant [Suitable Surface] - The adhesive hooks work well on smooth and flat surfaces, such as ceramic, tile, glass, mirror, marble, stainless steel, and any non-porous surface with a glossy finish. (Please pay attention that not suitable for wallpaper, paint, painted walls, and rough surfaces). [Easy to Install] - No drilling, no screws, no nails, no sticky residue or stains left! just tear off the sticker on the hook and stick it to the place you need, the work will be done. No need to worry about damage to your wall by using our self-sticking hooks. Note: Keep the surface must be clean and dry. SIMPLE TO USE AND INSTALL: Simply peel off the back of the protective film, paste it on any smooth surface, and press it tightly to remove any bubbles. BEST DESIGN of Double-Sided Wall Hook: The double-sided design eliminates the need for a hanging hole, making it ideal for home decoration. PVC, no traces, no residues, no hook traces, is a solid glue with no substrate