1. Kid art frame: Perfect for 21.6 x 27.9 cm artworks with a matte or 25.4 x 32.8 cm without a matte. The frame opens and closes easily with a latch while still mounted on the wall. Open the frame door, insert your latest creation into the spring loaded compartment, and close the door. 2. Premium quality: MDF frame with lead free tempered shatterproof glass for a clear view of your art. The interior features sturdy metal tabs to hold the matte and artwork in place. 3. Store up to 50 artworks: Frame depth is about 3.8 cm. Sized for common US sizes. We can store up to 50 masterpieces, depending on paper thickness and the 3D nature of the artwork. This frame is designed to hold the typical size of paper used for kids art at school or home. 4. Hanging wall display: Safe hanging method; no need to remove the frame from the wall to open the frame door and change the display. Display vertically or horizontally. Use cases - Home classroom: conveniently rotate a collection of your child’s latest drawings and paintings. - Preschool or school: showcase multiple students’ artwork in one frame and swap pieces easily. - Kids room or play area: create a growing gallery with up to 50 pieces without removing the frame from the wall.