Package includes: 10 pieces A4 (210 x 297mm) Black foam board, thickness :5mm The use of environmentally friendly materials, internal PVC foam, double-sided PVC veneer, high density, high hardness, longer product use time Features: High quality foam core, with strong flexibility, not easy to deform, easy to form, easy to cut Wide range of uses: can be used for sign making, photographic backgrounds, installation photos, model making, display boards, school projects, display photos and posters, a range of craft projects, drawing boards We provide quality assurance. If you are not satisfied with our craft foam board, we can offer a full refund or replacement