Trusti Colostrum Bag 4 + Teat + Trusti Tuber Small Parcel Donovan Pre bent top loading adjustable knee Used for permanent fencing Pre bent top loading adjustable knee pad pockets generously sized front pockets and multi functional zip thigh pockets offers secure storage of phone pens and tools An efficient way of delivering milk to several calves at once Comfortable handle Pasteurisation friendly Large capacity – four litres freezes flat for fast thaw Thaw in less than 20 minutes Bag pops open after use to air dry Incorporating the award winning the Trusti colostrum bag is the only colostrum bag designed to be reused