Clear 500 ml. polycarbonate wide-necked feeder bottles, designed for feeding lambs, goats etc. They come complete with a sturdy rubber non-vac teats that have a unique vacuum release feature so that they can be adjusted so that the flow of milk can be regulated by cutting the cone on the teat at different points. Also available are red enamelled steel racks that holds 4 bottles: this and packs of spare teats are both available. Full instructions are provided with each bottle. The teats can be easily sterilised with hot water, dairy hypochlorite (Milton) or other detergent cleanser.