Ikea Stugvik Towel Hooks Multi Color Set of 4 Suction Cup<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Only sticks on smooth， flat surfaces such as glass， mirrors， and tiles. Clean your tiles before mounting the suction cup to ensure a better grip.After assembly， leave the product on the wall for 12 hours before using it. This helps the suction cup adhere better.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51GtUYvwqiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51l9FXkIOML.jpg" noproxy>