- Pure cotton duck canvas - Available in a variety of weights, textures, and weaves - Unprimed - Ideal for all types of art making Blick Unprimed Cotton Canvas is consistently high-quality, affordable, and available in a range of weights, textures, and weaves for all types of art making, from large installations to quick studies. __Lightweight, Medium Texture__ – With a weight of 9.5 oz and a medium texture, Type CD-50 Canvas is an excellent choice for students and an economical choice for all painters on a budget. __Medium Weight, Medium-Smooth Texture__ – A versatile option for all types of painting, from landscape to portrait, this medium-smooth, double-weave canvas has an unprimed weight of 12 oz. __Heavyweight Medium-Rough Texture__ – This heavyweight, double-weave canvas has a medium-rough texture. It's the perfect choice for artists who enjoy the look and feel of a visible surface texture, and the 15 oz weight lends stability to large works because it stands up well to heavy paint applications. __Super Heavyweight, Pronounced Texture__ – This super heavyweight, 20 oz canvas has a pronounced texture and provides tremendous strength. It's great for large murals and floor cloths.