These masks made form 2 layers 100% cotton and PET material, good processing performance, good elasticity and abrasion resistance. Equipped with highly elastic adjustable ear straps to adapt to various face shapes, the silicone adjustment ring makes it more stable. Great for indoors and outdoor full protection. It's perfect giveaways for hospital, outdoor activities and so on. Imprint your company’s logo on this face masks to boost brand awareness.