Easy, Green & Affordable Sound Management Solutions Green Made in the USAProprietary eco-C-tex Sound Absorption Material - Consists of a blend of recycled cotton and cellulose fibers. Requires substantially less energy to produce compared to traditional fiberglass and foam acoustic products.Safe for Your Health - Non-toxic, non-carcinogenic, no fiberglass. Easy to Install Measurements & Weight - 96" x 48" (8' x 4') and weighs approximately 10 lbs.Quick Hanging Knob & Screws - Hardware included to hang the sheets from the (3) metal grommets on the top. Fast Lead Times Same or Next Business Day Shipping - Most orders ship same or next business day. Ships Free* Low or No Shipping Cost - Purchase more than 1 and get shipping for free. Audimute Sound Absorption Sheets - Sound Dampening Blankets - Soundproofing Sheets Sound Absorption Sheets are not a sound blocking product, but a sound absorption product designed to improve the sound quality in a room by absorbing sound that creates echoes and reverberations. Audimute Sheets and Panels are composed of eco-C-tex, which is Audimute's recycled sound absorption material that is effective, non-toxic, and requires less energy to produce than traditional fiberglass and foam acoustic products.Great for use in studios, vocal booths, drum rooms, home offices, home theaters, conference rooms, apartments, condos and any other space where sound absorption is essential to controlling noise.Each order contains 1 Sheet. The number of Sheets needed to achieve the desired result depends on the size of the space being treated, the placement of the Sheet(s), and the sound frequency and amplitude. For optimal results, the Sheet(s) should be used over areas where the majority of sound is being reflected. Features: Improves Sound Quality - Designed for sound absorption, NOT sound blocking. 0.85 NRC Rating - Absorbs an average of 85% of sound waves that contact the Sheet. eco-C-tex Sound Absorption Core Easy to Install Durable Safe for Your Health Made in the USA Cleaning Instructions: The sheets are NOT machine washable.Clean with water based cleaning agents, foam or pure, water free solvents. Vacuuming or light brushing is recommended to prevent dust and soil buildup. Below are additional Sound Absorption products: Audimute Fabric Acoustic Panel - Sound Absorption Panel - Fabric Wrapped Wall PanelAudimute Bleach-Cleanable Fabric Acoustic Panel - Sound Absorption Panel - Fabric Wrapped Wall PanelAudimute Soundproofing Acoustic Pro Sound Kit - Door Seal Kit and Sheets (Contains a mix of products for sound absorption and sound blocking) If you are seeking to block sound from entering or exiting a space, then we recommend considering our effective sound barrier products: Audimute isolé Sound Barrier and Absorption SheetAudimute Acoustic Door Seal KitAudimute Peacemaker (Designed for Walls, Floors, & Ceilings) To view our products and learn more about sound and Audimute, select the "Audimute Store" link by the product title at the top of the page. Please do not hesitate to reach out to us for personalized sound advice before making a purchase. We are passionate about solving your sound issue.