How to Purchase? 1, If You Are Individual Customer, we don't retail empty stretcher bars. But you may order stretched painting, ready to hang. Please click any painting in catalogue, choose size, then click "stretch it", add it to cart. 2, If you're wholesalers, please send email to Toperfect manufacturer to tell us your desired specifications, sizes, and quantity of your order, as well as your detailed contact information. Our canvas stretcher bar is made of fir, or pine for orders custom made, with single or double cross in the frame as support. -- The Copyright of Scripts is Reserved by Toperfect.