Not for the feint hearted these cheeky teas might have a less than serious message but the tea is completely serious - a proper job as we would say! Improper Cup teas are premium loose leaf blends for when you're feeling a little sassy, but you're also a classy tea drinker. Pinkies up! Size: 28g (enough for 20 delicious cups) How to prepare loose leaf tea? Add 1 full tea spoon to a cup of boiling water, brew for 3-5 minutes.