1.Measures:A0,A1,double sides 2.Materials:aluminum frame,back:MDF board or waterproof board with UV anti reflex PVC sheet. HBS-A indoor aluminum advertising display stand 1.Measures:A0,A1,double sides2.Materials:aluminum frame,back:MDF board or waterproof board with UV anti reflex PVC sheet.If have any questions,please contact with me freely,I'll reply you soon.