Decorative felt acoustic panels with self-adhesive backing Excellent Sound Absorption- This kind of hexagon absorption panel is made from light sturdy high-density 100% polyester fiber material, which has elasticity, toughness, abrasion resistance, impact resistance, scratch resistance. And they also have echo reduction and improved sound quality. Better sound absorption effect than foam soundproofing board. Flame retardant material Interior Wall Decoration- 30 X 26 X 15CM. DIY the most popular hexagonal sound-absorbing panels at present in your favourite space, pin photos, notes or artwork at home or in the office to create a warm and lovely atmosphere Easy to Install- Just peel and stick, no glue, stable adhesion, no need extra 3M double sided tape Wide Applications- Odourless and Eco- friendly, Non-allergenic, Recyclable, making it great for any location in the home or office, it's safe for kids, adults and pets! It can Improved acoustic quality and especially used in recording studios and home theaters etc. Compared with ordinary acoustic materials, it is so hard to imagine any reason to reject this perfect acoustic bulletin Panels