Elmer's White Self Adhesive Permanent STURDYBOARD 20 x30 x3/16 25 Sheets.Quick Stik® Self-Adhesive Sturdy Board® Foam Board has a pressure-sensitive self-adhesive surface on one side for mounting posters, prints, layouts and virtually any type of artwork, providing a neat alternative to messy sprays. Peel away the easy release protective liner and the adhesive permits some repositioning to ensure that a smooth bond is achieved. Applying firm, uniform pressure permanently bonds the artwork to the mounting substrate. Quick Stik Self-Adhesive Sturdy Board® is available in 3/16" thickness in a full range of sheet sizes in high tack adhesive permanent strengths. Available in case quantities only.