A sweet greens cat grass kit. the kit includes seeds soil approved for organic gardening and a potting container. sweet greens are tasty sprouts of certified organic oat grass seeds you grow yourself in a simple easy to grow kit. it is a certified organic treat. healthy greens cats crave. keeps cats away from houseplants. add water for delicious greens in days. the grass contains vitamins, minerals and chlorophyll, a natural breath freshener. available in a 1-ounce pack.