DescriptionThis mask supportis made of plastic material. Safe, light weight, easy to use. The design of spacesupportcan be comfortable for your wearing, andwill not shake around and fall down from your face. Itisthe best choice you can findas a daily necessity for your family and friends.Features-Material:Plastic. -Size: Approx. 9.6 x 8.3 x 4 cm /3.78 x3.27 x1.57 inch. - Made of plastic material, which is safe to use and has no smell. - The size is moderate and can be used perfectly with most disposable masks. - Lightweight and convenient, no worry about quality problems. - Good helper for you when you need a smooth breathing during mask wearing. - Large in quantity and proper in size. Easy to share and carry.