Arla B.O.B gives you the best of both worlds. A fat free skimmed milk that's as tasty as semi-skimmed, so you can enjoy delicious milk without having to compromise. Fat free & full of taste - perfect for cereal, tea, coffee or even on its own instead of your usual skimmed milk or semi skimmed milk. Arla B.O.B uses 100% British milk. Skimmed milk that tastes as good as semi-skimmed* *Based on statistically valid comparative taste test results with 208 regular consumers of fresh semi-skimmed milk.. Arla B.O.B is a skimmed milk that tastes like semi skimmed milk, giving you the best of both worlds. Fat free milk that is full of taste - perfect for cereal, tea, coffee or even on its own. BOB is a Red Milk (skimmed) that tastes like a Green Milk (semi), so has a Yellow Lid, obviously!. Arla is a Farmer owned dairy co-operative - care is taken in every step from cow to you. Suitable for vegetarians and for anyone who wants the taste of semi skimmed milk but fat free. Arla.