These are premium A3 sized Stretched Canvases by Seawhite and are fantastic especially when paired with artists who love using acrylic and oil based paints when creating their work for galleries or even hanging in their home. All of the five canvases included are heavyweight grain 380gsm offering a unique texture that can heighten the look of your work. They are all pre-stretched over quality frames and are sturdy and durable enough even for the most rigorous painting techniques. The stretched canvas have been quadruple primed offering an unparalleled level of protection for your paintings, helping to protect the canvas material from the oxidisation that occurs over time when using oil based paints specifically. The canvas is made from 100% cotton and they are all completely acid-free that helps to prevent yellowing over time and keeps your work preserved and as fresh as when you painted it. These canvas are fantastic when paired with oil based paints and acrylic based paints though your welcome to experiment with any medium you want if trying to achieve a certain style. Each canvas is pre-stretched over quality profiled frames, they have no side staples on them and they are all standard edged with depths measuring 1.8cm. - Brand: Seawhite - Size: A3 / 29.7cm x 42cm - Acid-free - Pack of 5 - Stretched canvas great for oil and acrylic - 1.8cm Standard Clean Edge