material-Our inflatable pillows are made of ultra-light and soft PVC fabric (due to material, the new product can have a small smell, which can be dispersed in a few days). comfortable and durable - waterproof PVC fabric material makes it ideal for camping and traveling, lightweight, durable and easy to clean. Inflating: Press or demorate the nozzle, blow for a few seconds, inflate in a few breaths and hold it ventilated for a few days; Deflation: flatten the nozzle and press on the table to deflate it, then you can fold the pillow to use the backpack. Wide applications - These airbags are ideal for travel, hiking, camping, pedestrian crossings or office. It is also suitable for bureau rest with cervical and lumbar support. Flocked PVC Square Inflatable Cushion [Product Weight] 50G [Front Size Inflation] Length 34cm * Width 22cm [Thickness after flocking] 43 silk Ocular mask black [Size] 4 layers of 18.5 cm length and width 8.5 cm > Outer layer: Polyester fabric 190T Inner layer: Non-woven 40g fabric + sponge 2 mm thick Anti-noise ear caps [Hardware]: PU foam, slow rebound, sponge Tips from the shop: 1. The size is measured manually, please allow the error (1-3 cm). 2. Due to the different pixels of the monitor, there may be a color difference, please refer to the real product.