This Indoor Pop and Lock Frame | Splash Tents opens like a cabinet so you can swap out posters easily and often, and it features a lock to keep your poster secure.
 
Styrene poster attaches using hook-and-loop fasteners so it won't droop or sag
Aluminum frame with a plexiglass panel
Includes 4 screws and four wall anchors
Sturdy piano-style hinges are invisible from the outside of the frame
Lock prevents theft and tampering; two keys included
Product Size : 20.62 in (W) x 15.37 in (H) x 1.12 in (D)
 
Available in 4 sizes. 
Turnaround time: 3-5 days in production after art approval 
 
Pricing for Pop and Lock Frame:
21"x16" Kit: $120
30"x16" Kit: $145
21"x28" Kit: $170
30"x28" Kit: $220