ORACAL® 631 Exhibition Cal Removable Adhesive Vinyl is designed for short- to medium-term indoor applications, especially on painted drywall surfaces. The material boasts a thickness of 3 mils and offers durability for up to 3 years. The release liner is an 84# custom silicone coated paper, optimized for excellent weeding and release. Additionally, the adhesive is clear, water-based, and removable.