Elite Screens Insta-RP Series, 121-inch Diagonal 16:9, Self-Adhesive Rear Projection Screen Film, Model: IRP121H Self-adhesive optical rear projection material WraithVeil2, 2.2 Gain. Self-adhesive optical rear projection material with 180 wide viewing angle. (Non-Translucent,Not recommended for holographic projection) Textured PET (Polyethylene terephthalate) with diffusion layer Material is easy to clean and maintain 2-Year / 3-Year ENR-G, Manufactures Warranty by Elite Screens' an ISO9001 manufacturer since 2004 and Lifetime Tech Support by Email, Web Chat or Toll Free Phone Call by Elite's Professional Service Team.