Material: This photo back support is made of high-quality plastic with a smooth, burr free surface that won't hurt or scratch your hands. Size: Big stand for 10-12 inch picture frame, small stand for 5-8 inch picture frame Installation steps: 1. Select a good location and place the connector; 2. Install screws and lock, or use glue to fix the position; 3. Press the support foot to install the connector. Installation complete Application: This photo back stand is versatile and can be used as a photo holder, crystal print holder, and photo frame holder. Colour:A black Material:plastic Package Contents: 100 * Photo frame stand Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.