Purpose: There is a wooden clip on the back of each blackboard. You can clip it on the cup or any string you set to help you complete hand-made projects, leave notes for parents, or inform party guests of food and drinks. Easy to use and reusable: You can write directly with chalk or liquid chalk, and easily wipe it with a damp cloth. Simple and chic: The design is simple, but a unique way to decorate and label greetings at home, office, cafe or dessert shop. Applicable occasions: suitable for placing cards, party gifts, weddings, Christmas, birthday party decorations, restaurants and children's handicrafts, etc. colour:Black Material:wood size:Approximately 8 x 6 x 18cm Package Contents: 20 x Wood Mini Chalkboards Signs Stakes Only the above package content, other products are not included. Note: Light 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. Easy to use and reusable: You can write directly with chalk or liquid chalk, and easily wipe it with a damp cloth. Applicable occasions: suitable for placing cards, gifts, weddings, Christmas, birthday decorations, restaurants and children's handicrafts, etc. Purpose: There is a wooden clip on the back of each blackboard. You can clip it on the cup or any string you set to help you complete hand-made projects, leave notes for parents, or inform guests of food and drinks. Simple and chic: The design is simple, but a unique way to decorate and label greetings , office, cafe or dessert shop.