Cup holder size:This cup holder can hold cups of 3.35 inches/85mm or smaller diameter.he stand can be adjusted to fit most tables(The thickness is within 2 inches) Material: aluminum alloy Load bearing: 10kg/22lb Two-in-one function: a desk cup holder is also a headphone holder. The cup holder can hold coffee cups, beverage cans, sports water bottles and many other types of cups. The holder can hold headphones, bags, clothes, etc. Anti-Spill Cup Holder: Using the cup holder can prevent the cup from being knocked over unintentionally and reduce your troubles.