The Beerbelly - Stealth drinking bladder

Now you can sneak booze into any event while looking like either an out of shape slob or pregnant! Cool! Well, you could just sneak this bible into the arena/stadium, or you could invest in a huge bladder that you can fill with whatever liquid goodness you desire and conceal it under you shirt. The Beerbelly is “Made up of an insulated neoprene sling and a polyurethane bladder connected to a drinking tube” and it holds up to 2.3 Litres!
It even comes with an optional freezer pack for an extra five bucks. Get this and be drunker then anyone else while maintaining your stealthiness! £29.95 from firebox.com