Buy on Amazon : br Carl's Black Felt Tape for DIY Projector Screen (Contrast-Boosting Border) (4-inch x 60-Foot)br br 1 Roll of Black Felt Tape is 60-Feet Long Available in 2 3 or 4 widths br Adhesive peel-off backing br Non-reflective and light absorbing br Contrast boosting border br Gives your DIY screen a professional look