Practical Combination: This set includes 20 plastic card holders and 20 stainless steel loops, specially designed for Yoto card storage-an ideal choice for keeping scattered cards organized and preventing loss. (Cards not included; not compatible with other brands.) Clear Categorization: Each card holder keeps for Yoto cards neatly aligned. Paired with the included loops, you can easily group and organize cards by theme, making your card organizer setup clear and easy to manage. The compact size is perfect for home use or travel, keeping your desk, shelves, and bags tidy. Efficient Card Storage: The lightweight, compact card holder securely grips each for Yoto card, making installation and removal smooth and easy. Once assembled, the cards can be inserted directly into for Yoto player. This reusable design stays much cleaner than adhesive-style card organizers and won't attract dust or pet hair. Materials: Built with premium, durable plastic and flexible yet sturdy stainless steel loops, these card holders won't loosen, break, or warp. They're built for long-term repeated use, accompanying your child's learning and listening journey. Bright and Fun Colors: The set comes in 20 vibrant colors, making it easy for kids to distinguish different categories of for Yoto cards. The colorful design adds fun to organization and brings more excitement to every listening adventure. Color: As Shown Material: plastic Package Contents: 20Pcs Reusable Card Holders 20 Rings 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.