Simply roll it up and insert it into the mouth of the bottle. Product size: 28.7 x 28.7 inches (73 x 73 cm); Package size: 35.4 x 5.3 inches (90 x 135 cm); Package form: 5 pcs Blister Country: Taiwan Pourer that rolls up the filter and plugs into the mouth of the bottle. The special film is less likely to drip and the wine will run smoothly. No smell, so it wont affect your wine, and can be used multiple times with water It is not bulky to carry. 5 pieces *Compatible with hooks; Material: Polyester film