Mini blackboard tent signs: These mini blackboard signs are perfect for weddings, parties, buffets and special events. Multifunctional: Use it as a vertical chalk food label, table tent, wedding label, table number, chalk name label, location card, buffet label, etc. Easy to write and erase: These small blackboards can be erased and reused, so they can be used repeatedly after wiping. Sturdy material: You can use chalk and permanent markers. Our mini blackboard is made of friendly and safe acrylic plastic. To erase the permanent marker, use a window cleaner and a napkin to erase the chalk, please use a wet napkin or an eraser. Type: Ordinary size:10x7.5cm Material:Acrylic colour:Black Package Contents: 20 x Chalkboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.