Features ¦The stretcher bars are made of pine, Non-toxic and odorless, it is safe and reliable, maintains its wood color and its original pine scent after manual treatment. Please assemble them softly. ¦ Designed to satisfy the fun of DIY assembly, the canvas stretcher bars kit can be used to mount an unframed picture through simple operation steps. ¦ Please allow tiny size deviations due to human measurement, the frame will be divided into 4 strips when ready to ship, just need a few of minutes to complete assembly, if you are puzzled about how to assemble it, please feel free to contact us. Specifications Material: Pine wood Each Bar Width(approx.): 3cm/1.18" Color: Log How To Assemble 1. Please ensure the quantities are correct, there are 2pcs of 16" and 2pcs of 20", and one tool kit. If the size is not correct, please feel free contact us. 2. Please shake up and down softly, when you connect the wood bars. If you feel the slots are little small, I suggest that you try to use a little bit of force or use a knife to cut away some wood chips to make it connect successfully, then shake up and down softly. Package Included 4 x stretcher Bars, 1 x Tools KitATTENTION! Here is How to Measure the Ideal Size for You Canvas: Our stretcher bars are 3cm width and 1cm thickness, so you will need to make sure that your canvas has an extra 3.8cm-4cm of blank material (in order to wrap it around the frame) in each side. Your canvas has to be BIGGER than the frame. ?Every Stretcher Bars with Oily Double-sided Adhesive: The Stretcher Bars are made of natural pine wood, have oily double-sided adhesive on the sides and back side of the frame, it can connect the joints. Super strong, smooth canvas fixed on the frame, rather than using a tightening device. ?A Funny DIY Painting Frame: The ladder-shaped corner braces and U-shaped stapler will fix the frame firmly, provide excellent long-term stability. Designed to satisfy the fun of DIY painting assembly, the canvas stretcher bars kit can be used to mount a frameless picture through simple tools and operation steps, from adults to high school students, you can do it. ?Great Decor Canvas: The Professional solid wooden frame kit for oil painting, posters, HD canvas prints, hands drawing and so on, it’s ideal for home, office, shop, studio, gallery wall art accessories decorating. ?Easier to DIY Your Own Canvas Stretching System: We sell bars and accessories, the accessories were packaged together with the bars. all you need is a small hammer, a razor blade and a screw driver, leave enough blanks at the edge, inserts them, tap in the corner braces, press down the metal clip, add the hook, then find a good place to hang it.Date First Available: July 3, 2019. Manufacturer: LJY&V. Item Weight: 4.9 ounces. Best Sellers Rank: #35,443 in Arts, Crafts & Sewing. Customer Reviews: 3.7 out of 5 stars 525 ratings 3.7 out of 5 stars. : B07TWMCH25. Package Dimensions: 20.87 x 1.97 x 1.57 inches.