🖍️ Chalk it up to creativity! Rounded corners and smooth edges ensure a safe experience. Simply rub with chalk for optimal performance. Ideal for menus, notes, or classroom displays. Hardboard backing resists warping and chipping for long-lasting use. Perfect for student drawings and classroom activities. Rounded corners 9.5" x 12" size Warp & chip resistant This set of 24 Flipside 9.5" x 12" black chalkboards features a durable hardboard backing that is warp and chip resistant, ensuring longevity. Designed with rounded corners and smooth edges for safety, these chalkboards are perfect for classroom use, student drawings, or even as menu boards. For best results, simply prime the surface with chalk before use.