Our holder is made from durable and resistant materials that ensure that this holder lasts for years The suction cup holder is ideal for mounting holders on tiles, walls, glass surfaces or on smooth surfaces. This incredible wall holder can be easily installed without drilling holes and without using stubborn glue. This prevents damage to your permanent structure and also allows for flexible movement. Does not stick to untreated marble, porous or rough surfaces (e.g. painted porous walls) or on grout lines. whether in your bathroom or in the kitchen.