25mm aluminum 1mm thickness profiles of A3/A4 snap frmae with round corne or square corner ,Flat aluminum tube is 2mm thickness.plastic base with iron Aggravating block and it can ensure the product Stable stand.

the frame is the round corner. the material of frame is alluminum alloy, PVC or PS as the cover side and PS or iron sheet as back side,you can put picture or advertising paper into the frame,the frame can be fixed onto the bar with nails.The size and color can be changed according to customer need.