- Built-in flexible frame with pre-punched hole. - 1/2" offset pre-punched hole makes positioning easy. - Compact design fits outside patients lips; non-threatening and comfortable for patients. - Radiographs may be taken without removing the rubber dam by folding it to the side. - Single-use only. - Pre-assembled. - Dimensions: ⌀ 4-1/4". - Color: blue. Content: - 20 per/pack. **For further product information , please contact Chat Support**