Product information -One push assembly – clean the wall surface and push to attach. No tools are needed. -To release and remove, insert a credit card (or similar) between the suction cup and the wall. No ugly holes or marks are left behind. -The suction cups have a tight grip on smooth surfaces like glass or tiles. Good to know Only sticks on flat surfaces such as glass, mirrors and tilesn the surface before mounting the suction cup to ensure better grip hook holds up to 3 kgines with other products in TISKEN series. Care instructions Wipe clean with a cloth dampened in a mild cleaner dry with a clean cloth. Product dimensions Length: 10 cmWidth: 6 cmHeight: 4 cmMax. load/hook: 3 kgPackage quantity: 2 pieces This product requires assembly Designer IKEA of Sweden