Material: Eco-friendly plasticThe following are the PROCEDURES:STEP 1:Clean the wall.The wall must be CLEAN，NO DUST.STEP 2:Fix sucker on the wall with the hand and force out of the air insideThe toothbrush holder is aligned with the suction cup and can be hung on top..Any question please contact us in the first time. we`ll reply as soon as possible; Please track your goods timely after we send out them; Please make an affirmance in time after you receive your goods; if you are satisfied with our service please give us a positive feedback. It will be great support to our job;