Framer Supply Archival Glass & Art Spacer – Black 1/16", 100 Ft Solid Bundle (20 x 5' Sticks), pH Neutral Peel-and-Stick Frame Spacer for Archival Framing & Artwork ProtectionFramer Supplys Archival Glass & Art Spacers are a trusted choice for conservation grade framing. Designed to protect artwork, photos, and dry media from direct contact with glass or acrylic, these 3 8" thick, pH neutral, acid free spacers create the essential space between your artwork and glazing. Each 60 foot bundle includes 12 peel and stick spacer sticks (5 feet each) for a total of 60 feet. Each 100 foot bundle includes 20 peel and stick spacer