Udderly EZ Colostrum Collector is a hand-held trigger-operated pump which safely and effectively collects colostrum and the milking of Ewes for extra milk to feed triplets or until you can draft a lamb onto another Ewe The collector is easy to use with one hand and is gentle on udders. A few pulls on the trigger creates vacuum in the bottle and a few more pulls completes the collecting. The pump snaps onto a flanged plastic extraction cylinder. Complete Kit for sheep and similar size animals contains pump complete, two 8 oz. collection bottles with caps and O-ring, one pint-size bottle, large extraction tube, small extraction tube, two silicone inflations, nipple and package of udder wipes. With the two extra silicone inserts you have four teat sizes to accommodate all the different size teats. Boxed with instructions and instructional DVD. Wt. 1.7 lbs.