Tetra TetraMin Crisps Select-A-Food, 3 Foods In 1, 2.4 Ounce TetraMin Tropical Crisps, BabyShrimp and TetraMin Granules, All in One Can. This versatile product provides healthy feeding variety all in one-Package Easy-to-use dispenser top allows you to dial in the food that is desired Length of granule is 1-2mm