Cal-Sea-Yum toys include calcium-enriched wafers, made of 100% natural ground seashell for birds to chew, along with safe, non-toxic latex ropes, rings, beads and shapes. Designed for small to medium birds. All toys in this line include pear-links for easy cage attachment. Ingredients Ground limestone, ground seashell, wheat flour, tapioca flour, food coloring: FDC Blue No. 1, Red No. 3 and Yellow No. 5. Guaranteed Analysis Calcium - 20.0%Phosphorus (min) - 0.05%Salt (min) - 0.20%.