Climbing carabiner patent art. This 1978 patent artwork featuring a carabiner is the ideal gift or wall art for climbers! Created using laser cut and engraved wood layered over a printed background, the image showcases the design and engineering of a carabiner in a unique and stylish way. The layering of 1/8" wood over a printed background transforms what is a fairly humble mountaineering tool into eye-catching home decor. This patent art does not include the frame. Artwork Materials: Chlorine free, acid free, sustainably sourced, 300 gsm matt cardstock backing from Fedrigoni in Italy. Sustainably sourced, 1/8" (3mm) thick composite wood. Canon PIXMA ink. Packaging Materials: Sealed clear cellophane bag. 1/32 inch (1mm) thick recycled card protective backing. 3.25 x 4.25 (8.5 x 10.5 cm) product information slip.