https://www.burton.co.uk/product/living-and-home-12pcs-sound-proof-acoustic-foam-panels_p-aba0f75e-59a6-4570-b3ba-23fb4f54d231£colour=Grey&size=One%20Size

Create a neighborhood-friendly space with this set of Livingandhome pyramid-shaped acoustic foam. Crafted from flame-retardant polyurethane foam, this sound-absorbing foam minimizes noise, curbing background noise and echoes. Ideal for recording studios, offices, and spaces prone to excessive volume, it is customizable and effortlessly attaches to walls without causing any damage. Lightweight and simple to install, create a serene ambiance with ease now. | Living and Home 12 Pieces Sound Proof Acoustic Foam Panels in Grey - Manufacturers part number: Living and Home_0073768285224