Owfeel 3pcs Plastic Colorful Clip-On Table Desk Drink Cup Holder Clip Spring clip design cup holder fits for table thickness below 1.5 inches. Made of PE plastic environmental material and the spring is made of steel. A smart extension for your desk, table or shelf. Holds your drink, phone or other small items firmly and easily. Spring clip design cup holder fits for table thickness below 1.5 inches. Made of PE plastic environmental material and the spring is made of steel. A smart extension for your desk, table or shelf. Holds your drink, phone or other small items firmly and easily.