Features: 1. Made of 100% acid free cotton, high quality pine wood frame, which is perfect for use with oil and acrylic paints. 2. L ight in weight and easy to carry, a perfect base to create a durable piece of artwork. 3. Blank framed canvas with triple primed and medium grade cotton ensures its ultra flexibility and high tension strength. Description: They are made from 100% acid free, high grade cotton, suitable for acrylic, oil and other painting mediums. Specifications: Material: Cotton+Wood Color: White Size: 20cm x 30cm 30cm x 40cm 40cm x 50cm 50cm x 60cm Frame Thickness: 18mm Package Included: 4x Artist Blank Canvas Stretcher 32x Tightening Keys Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Please allow slight dimension difference due to different manual measurement.