14 X 11 inch, Mounts, Backs, & Bags, Pack of 10 Aperture size:To fit image size 10 x 8 - exact aperture size 246mm x 196mm Outer Size exactly 300mm x

Outer Size exactly 300mm x 210mm

Outer Size to fit an A3 frame - exact outer size 420mm x 297mm

Outer Size to fit a 11 x 11 inch frame - exact outer size 277mm x 277mm

Outer Size to fit a 9 x 9 inch frame - exact outer size 226mm x 226mm

Outer Size to fit a 8 x 8 inch frame - exact outer size 201mm x 201mm

14 X 11 inch, Mounts, Backs, & Bags, Pack of 10 Aperture size:To fit image size 10 x 8 - exact aperture size 246mm x 196mm Outer Size exactly 300mm xOuter Size to fit a 14 x 11 inch frame exact outer size 353mm x 277mm Choice of aperture size Scroll through the pictures to find the size that best fits your artwork, then select it from the dropdown menu. Choice of colour On screen colours may not be true to life. Order colour samples here. Select your preferred colour from the dropdown menu. All colours are acid free white core mountboard, 1. 4mm thick.