Universal full face universal mask (oral and nasal mask) headgear, which is easy to adjust. Headgear is made of an ultra soft and elastic material for increased wearing comfort, and fits tightly to maintain the position of nasal pillow. The integrated pipeline is and flexible. Product Name:Universal Mask Ventilator Mask Headgear Please note:Due to different production batches, the physical slightly color difference or difference, does not affect the use, please do not mind, thank you Colour:As Shown Material:nylon Package Contents: 1 * Cpap Mask Headgear Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.