VEVOR Sound Dampening Blankets, Soundproof Curtains with 2032 x 1219 mm, Soundproof Blanket with Grommets, Studio Grommeted Blanket, for Window, Door, Light Blocker, Music Recording, BlackProduct Features Sound Absorption & Noise Reduction Made with a polyester woven surface and recycled cotton filling, this 3 layer physical barrier effectively absorbs indoor echoes, reduces sound reflections, and blocks part of the external noise Effective Light Blocking The thick, dense material and dark color effectively block light, creating a dim environment and avoiding glare. Ideal for home theaters, conference room projections, tents, or