Two large felt sheets, approximately 8-12mm thick, are included. Limited-time offer! Sizes are approximately 500mm x 1100mm and 400mm x 1100mm. *Cut slightly larger to ensure sufficient material. Thickness and length may vary. Can be cut with scissors. Utilized for soundproofing and sound absorption, used in car deadening and as cushioning material. Cut into easy-to-use sizes. If you need other sizes, please let us know in the comments section. The front and back sides have different colors: green and gray. Due to being offcuts, dried glue or lint may be attached to the surface. Please understand the condition before purchasing. - Color: Dark Gray - Material: Soundproofing Fabric - Texture: Soft and Thick Thank you for viewing.