Glass wine bottles are often impractical for backpacking, ski touring, or getting a little boozy at your favorite blues concert. Transport your wine inside the packable Platypus PlatyPreserve, and protect its taste at the same time. Pour your favorite wine into this 5. 5 inch by 10. 5 inch reservoir, squeeze the air out (air ruins flavor), and seal the airtight cap. Now you can enjoy that just-opened taste days, and even weeks later.