★Note★ This lot does not include green. These are leftovers from what I use for handmade crafts ^_^ The back is flat ^_^ The graph paper in the third image has squares that are approximately 1 cm each. I hope this helps you with the size reference ^_^ Size: 23~23.5x18x6mm We also have superお得な大量個数 packs and cabochons perfect for kids, as well as kids' accessory parts such as earrings and rings, so please take a look at the product list ^_^ ★About Multiple Purchase Discount★ Also, we will give you a 50 yen discount for each additional accessory part you purchase★ ★About Repeat Customer Bonus★ We offer a bonus to repeat customers who purchase a total of 800 yen or more. (This is different from this product and the contents vary depending on the time. Please check the details in the profile.) If applicable, we would appreciate it if you could comment to let us know you are a repeat customer ^_^ ★Must Read Notes★ ・Colors will be randomly selected to include all colors. You cannot specify the color. ・There are often irregularities, especially on the back. Also, the shape is not uniform and there may be dents or color unevenness. ・Because they are made overseas, there may be burrs, small scratches, printing misalignments, and distortions, especially on the back, there may be resin depressions or bulges. ・We plan to ship by regular mail, which does not include bubble wrap and does not have compensation for loss or damage during shipping. Please understand. We can change to Yu-packet, which has compensation and anonymous delivery, for an additional 50 yen, so please comment before purchasing. ・We can ship with bubble wrap and a packing box for an additional 70 yen, so please comment before purchasing. ※If the weight of the package exceeds 100g, we may automatically change to Yu-packet. (This change is free, but it will be shipped in an envelope instead of a box, and without bubble wrap.