STRONG GRIP, NO SPILLING: The clamp on cup holder securely to any kinds of desktop as long as the knob is locked. The clips are cushioned with non-slip silicone pads, protects your desk surface from scratches. This cup holster can be used on the table and desk within 2.05 inches thick. It keeps your desktop tidy and neat. Hold your drink on the side of your desk; eliminate the possibility of spilling a drink. Protect your laptop, computers, gaming rig and paper don't from being splashed. 2-IN-1 FUNCTION: It is a headset holder and also a cup holder for desk: hold coffee cups, beer, beverage cans, sports water bottle and other kinds of cups. Hang it on the edge of your table, you’ll have your drink at your fingertips while working or playing games. The cup holder comes with a headphone hanger under desk that rotates 360 degree to accommodate headphones and other table accessories. It can also be used as a small cable management. It’s the best choice as gaming desk cupholder. Easily setup: This clip on cup holder for desk can be easily assembled. No drilling or glue, you can fixed it just by twisting a knob. The table cup holder can be installed in almost anywhere: table, gaming desk, cupboard, beach table and beach chair armrest. Please check the diameter of your drinkware: this cup holder can hold 3.35 inch or less diameter cups. Good QUALITY: Made of high-quality aluminum alloy material, sturdy enough for any kinds of water bottles. The edges are smooth. The desk hook can withstand various temperatures and is much more cost-effective than plastic made spring clip holders.