CAP IT (red) by Twister Magic

Vanish any small object from the audience, like a ring, coin, bill, signed card or any other small item. Show a bottle of soda, water or juice of any kind and give to the spectator to hold. Now invite him to open the factory sealed bottle to realize that after pouring all the liquid out the item have magically re-appear inside. This is a set of 12 white auto-seal universal size caps, good for any soda, water and juice bottles. Also available in WHITE, GREEN and BLACK colors. Comes with written instructions. Lots of possibilities! A great magic accessory! Easy to perform!

http://www.wizardhq.com/servlet/the-14618/cap-it-red-by-twister-magic/Detail?source=googlebase