TetraFin� Holiday Food (10 sticks)- 100% edible foodsticks for feeding goldfish and other coldwater fish during holidays and weekends away ? high proportion of essential minerals and a high protein content to ensure fish remain in good condition ? optimum supply of vital fatty acids to ensure health ? hardened by a special production process that removes the need for indigestible binding agents that are difficult to digest ? easy to use and last for up to seven days