MODUODUO Calf Bottle with a Replacement Nipple 2.11 Quart Milk Feeder Nursing Feeding Bottle

Easy to Use- with handle, it makes much easier to hold and deal with a hungry calf at the same time. High-quality -Materials- the bottle is heavier material and don't collapse inward while the calves are drinking. Nipples are made of rubber, which is too durable for a hungry calf. About vent hole-there is a hole in the nipple that had to be cleaned out in order to keep the air flowing through correctly. Tips- The nipple is for calves .Not new borns nipple too big. for young goats. Package included-a 2.11 quart bottle (with a teat) , a replacement teat.