Material: Chassis ABS Material Size of clamp: 27mm~53mm Clamp thickness: 25mm Suitable for: All kinds of telescopes Support Eye Mask Cup: Rotary Lift/Flip Sucker support: Suck smart device surfaces, such as mobile phones, Ipads, notebooks, etc. Product net weight: 100g Product gross weight: 130g Size of single product: 149*70mm Size of individual product box: 153*75*40(mm) PCS: 80 pieces Outer case size: 440 * 320 * 325 (mm) Gross weight: 10.5kg/box