Features: Scope of application Ideal for use in recording studios, home theatres and karaoke room, broadcast studios, computer rooms, equipment enclosures/rooms, gymnasiums, gun Ranges. Double layers The high rebound soundproofing foam is consist of two layers. One is low density part and the other is high density part. Two layers together stop the noise effectively with the foam cell structure for maximum noise absorption. Safe and healthy 2cm thickness soundproofing foam is the eco-friendly product, without CFC, HFC, formaldehyde, etc. The soundproofing foam reaches country standard. Waterproof The soundproofing foam does not absorb any water because the fine independent foam structure. So the place which is attached with the foam will not get damp. Strong flame retardancy The foam can stop firing when it get away with the firing stuff. The level is country B1 class. Adhesive back sticker The strong adhesive back sticker is stable and reliable. It even can bearing heavy stuff, such as brick. Specification: Type: soundproofing foam Quantity: 1pc Material: rubber Color: as shown Size: 100*50*2cm Net weight: 170g/6oz Package: 1* soundproofing foam Shipping 1.If you need to buy in bulk, please contact, we will reply in 24 hours. 2.We are always working hard to ensure your package arrives as soon as possible. Please understand that some factors like weather, high postal traffic, and the performance of shipping companies are outside of our control. 3.Usually product Reaches after about 12-45 business days depending on destination. If you have not received your shipment within 45 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Refund or resend product will be offered if item still not received. 4.We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important. We ask you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns. It is impossible to address issues if we do not know about them!