Features: 1) Sizes: any size under 50 x 70cm is available 2) Styles: staple on the back, staple on the side, fix with line on the rear 3) Canvas types: cotton, linen, polyester 4) Wood types: paulownia, pine 5) Wood dimensions (T x W): 1.7 x 3.8cm, 3.7 x 3.8cm