Plastic refills, perfect for organization. Set of 2 - Type: Refill - Number of pockets: 18 Pocket size: 9.5cm (height) x 6.5cm (width) (Compatible with items up to 8.5cm (height) x 6.2cm (width) and 5mm thick). Brand new, unused. [Recommended for those who:] Are collectors of numerous rubber straps or acrylic keychains and don't know where to store them. Highly recommended for those who are. These were developed specifically for our rubber straps and acrylic keychains. Thank you for viewing.