Watercolor Sketchbook Suitable for Watercolor Brand: Orion (Art Supplies) Paper Color: White Sheet Size: 278 x 233mm Recommended Uses: Watercolor Specifications: Wargman Thick (200g) Fine/Medium Grain, Neutral pH 20 sheets, bound with a wrap-around cover and string, spiral binding Size: Paper Size: 278 x 233 mm Number of Sheets: 20 Product Thickness: 16mm Purchased last year and stored in a dark place after opening. Thank you for looking!