UNIQUE BINDING SYSTEM - Disc bound binding system allows you to easily move, remove, and replace pages. | HEAVYWEIGHT PAPER- Sturdy, sulphite paper with a medium tooth surface; Perfect for all dry media; Acid-free and recyclable. | LEFT HAND FRIENDLY - The disc bound top allows both left hand and right hand artists to move freely without the binding getting in the way. | PERFECT FOR ACTIVE LIFESTYLES - The durable poly cover and back allow you to easily take your creativity on the go; Great for teachers and students. | TRUSTED BRAND: UCreate is part of the Dixon Ticonderoga family of products which includes Ticonderoga, Dixon, Pacon, Tru-Ray, Prang, Fadeless, Classroom Keepers, Bordette, Creativity Street, Spectra, Strathmore, Canson, Daler-Rowney, Lyra, Das, and more.