Ambiance Gallery Clip Frame Modern Low Profile Invisible Minimalist Picture Photo Gallery Frame, Includes Glass and Backing - 16x20 - [Single Frame] Low-profile, minimalistic, easy to use clip frames for any artworks on paper! Easy to use, economical clip frames 2mm thick glass face with ground edges for safety Sturdy MDF hardboard backing Flexible aluminum clips pop easily into place, no tools needed! Clips double as picture hangers Accommodates art on paper or board up to 2mm thick Single Frame Only