Each sheet length is 11.8in/ 300mm, width is 7.87in/ 200mm, thick is 0.004in/ 0.1mm, hole is 0.02in/ 0.5mm. Perfect for beginners and experienced alike. Waterproof PVC. Size: Length is 11.8in/ 300mm, width is 7.87in/ 200mm, thick is 0.004in/ 0.1mm, hole is 0.02in/ 0.5mm.