The Bitty Bagel Bird Toys are made of 100% non-toxic paper and adhesive cardboard rings that are added to plastic links. These toy bagels are designed for peeling, chewing and shredding fun! This bird toy is refillable with our sets of Bitty Toy Bagel Refills. Recommended for the small chewers like cockatiels, love birds, etc. Refills are available in sets of 8 various colors.