StoreSMART - Rigid Print Protectors 10-Pack - 18" x 24" - Top Loaders - HPP18X24-10 Made of clear, high-impact 16 mil PVC vinyl with a 40 mil opening. Overall size: 18 7/16" x 24 1/4" Inside capacity: 18" x 24" Open on the short side. Rigid for ultimate protection. Reusable.