1pc Clamp Cup Holder (Black), Desk Cup Clamp for Table, Bottle, Coffee Cup, Water Cup, Universal Coffee Cup Saucer Clamp Design for Home or Office Premium Material: Made of thicker plastic and metal spring, this cup holder clamp in classic and simple color can fit different types of table. One size fits most: 20cm 10cm 5.5cm/7.87in 3.93in 2.17in, weight: 220g ( 7.8oz). Suitable for desktop storage. 3 Inch Opening: This cup holder has a 3.39 inch diameter opening that fits most mugs we use in daily life. And there is a small hole at the bottom to charge the phone. Strong grip: The cup holder clip with metal spring can be firmly attached to the edge of the desk to prevent water from spilling or leaking onto your papers if accidentally spilled on the cup. Wide use: Use reasonable table corner and place this cup clamp to store items, such as drinks, water cups, tea cups, bottles, fruits, potted plants, mobile phones, chargers and others. Note: There may be a little color difference due to the light and angle, and the brightness of the display, etc. The size is measured by hand, so there is an error of 1 - 2cm. Packaging Details: 1 x Water Cup Holder (include not cup)