The Beta Series 7"" x 10"" Wirebound Sketchbook"" by Stillman & Birn features high performance archival paper that is pH neutral, lignin- and chloride-free and milled from pulp with an alpha cellulose content that exceeds 87%. The extra heavy-weight 180 lb. (270 gsm) paper has a natural white, rough surface with enhanced wet and tear strength making it ideal for multi-media renderings. The covers are made from super-tough warp-resistant binder’s board. 25 sheets Natural white, rough finish pages Extra heavy-weight 180 lb. (270 gsm) paper Wirebound, 7"" x 10""
