These nipples are perfect for use with neonate squirrels, opossums and bunnies. Squirrels and More Mini NIpple Set consists of 1 - 1ml oring syringe, 1-0.5ml oring syringe, 8 mini nipples and 5 canula tips. Squirrels and More cannot stress the following caution enough! 'While these nipples are wonderful for feeding neonate animals, caution should always be used when using these nipples that the animal does not ingest the nipple. Ingesting the nipple would most likely result in death.