High-quality STORAGEWORKS magnetic assist plates, set of 12. There are 12 plates per bag, but if you'd like another bag (for a total of 24 plates in one bag), it's an extra 200 yen. Please let me know in the comments. - Brand: STORAGEWORKS - Quantity: 12 plates - Size: Approximately 5.5cm x 3.5cm Double-sided tape included Use by sticking them where you want to attach a magnet. The back has adhesive tape, and the front has a thin, transparent protective seal. Thank you for looking.