craig frames 1wb3bk 16 by 16-inch black picture frame, white mat with 12 by 12-inch opening, 4-piece set craig frames this set of four (4) brand new picture frames is manufactured in the usa at our facility in ithaca, michigan. our picture and poster frames larger than or equal to 12x18 inches (inside dimensions) include clear acrylic facing, a rigid cardboard backing and hanging hardware. some assembly is required to attach the hanging hardware to the frame. visit our seller info page for assembly instructions. hanging hardware includes: (2) 1" nails, (1) 30# capacity wall hanger, (1) 4' length of hanging wire, (2) d-rings, (2) 1/2" screws. before hanging your frame, please remember to peel off the clear protective film from the acrylic facing for maximum clarity. acrylic is a high quality durable alternative to glass that allows us to safely ship larger frames with less potential damage done during the shipping process. if you have any questions or comments, please do not hesitate to contact us. feel free to visit our storefront and seller info pages to browse our extensive selection of frames, read customer feedback or review our policies and contact info. at the end of the day we want you to be completely happy with your purchase. be sure to add craig frames to your list of favorites so you can easily find us the next time you need a quality picture frame. thank you for shopping with us.