【Varied Sizes for Diverse Needs】This set includes three small painting canvases in sizes5.9"x7.8", 5"x7", 11"x13.7". Whether you're doing a detailed small - scale painting or a more expansive piece, there's a canvas size to fit your need. 【Quality Gesso - Primed Material】These canvases are gesso - primed, providing a smooth and even surface for painting. This base layer ensures better adhesion of paints, making your painting process more seamless. 【Acid - Free and 100% Cotton】Made from 100% cotton and being acid - free, these canvas boards are durable and long - lasting. They resist yellowing over time, preserving the vibrancy of your paintings. 【Versatile for Different Paint Types】Designed for acrylic, oil, and gouache painting, these blank white painting canvas boards are suitable for a wide range of artistic techniques and mediums.