Strong, durable Lineco easel backs are available in both tan glue-on single wings and self-adhesive white. Easel backs are used to professionally display signs, posters, mounted prints, framed photos, and more. Great for foam board displays to be self-supporting. The tan easel backs, made from pressboard, are attached with glue or tape and are available in 100 packs. Self-adhesive easel backs are constructed of strong, premium SBS board (the highest-quality and most expensive paperboard substrate) featuring a peel and stick self-stick strip for easy attachment. No messy glue needed; adheres to any coated or uncoated surface in packs of 25.