The Flash Furniture HGWA-CB-3020-BLK-GG Canterbury Magnetic Chalkboard Sign features a double-sided design, measuring 30" x 20". Constructed with a solid pine wooden frame, it offers durability and a stylish black finish. The non-porous porcelain steel writing surface is compatible with both liquid chalk markers and traditional chalk, making it versatile for various uses. This A-frame sign folds flat for easy storage and transport, making it ideal for both indoor and outdoor settings.