The Pro Art Premier Mixed Media pad is perfect for collage work and daily use. The sheets have a fine textured surface on the front and a rough texture on the back, allowing for use with both dry and wet media, with micro-perforations for easy removal. Spine is double wirebound with thick gauge coated wires for effortless 360 degree page turning.Details:White5.5" x 8.5" (13.97cm x 21.59cm)98lb/160gsm60 sheetsAcid freeDual surface (fine and rough)Micro perforated For wet and dry media