Package contents: 8 pre-taped corner protectors. After sticking, press firmly and leave for 24 hours before touching. It is best to avoid touching them during this time. After prolonged use, you can wipe them with a damp towel to remove stains. Dimensions: Corner protector 5.5 cm x 3.5 cm x 1.2 cm, baby bumper corner protectors can absorb impact and protect your child from sharp edges and corners, our soft foam provides safer impact protection where babies need it most SGS tested, non-toxic, odorless, SCCP-free, phthalate-free and flame retardant; DO NOT leave your child unattended. Keep packaging out of reach of children. Prevent children from biting. Suitable for most surfaces, such as wood, glass, granite, ceramic, metal and plastic. Applicable to glass tables, beds, kitchen cabinets, desks, bedroom furniture and more. Can be used on all surfaces such as steel, wood, glass and ceramic, etc. Protect your family from injury from falls or bumps. Products with double-sided tape can be securely attached to the desktop and protect your child from bumps. Before installation, clean the tape surface. If it is greasy, dusty or damp, it will be more difficult to stick as expected. Plastered walls, brick walls and tempered glass may be slightly less sticky.