Planning a 30th birthday party? These vintage-style 1991 can coolies are such a fun way to celebrate! You get two magenta-colored drink sleeves that feature cool retro designs celebrating being born in 1991. Made from premium 1/8-inch thick high-density foam, these coolies actually work to keep your drinks cold while your hands stay dry and comfortable. They fit standard 12-ounce cans and most 12-16 ounce bottles perfectly. The design is printed on both sides using full-color sublimation, so the colors are vibrant and won't fade or peel off like cheap stickers. What's really handy is that they fold flat for storage - no more bulky cooler accessories taking up space in your kitchen drawers. They're machine washable too, so when someone inevitably spills something on them, you can just toss them in the laundry. These make awesome party favors that guests will actually use long after the celebration ends, unlike those little trinkets that end up in the trash. Seriously, if you know someone turning the big 3-0 this year, grabbing a set of these coolies is such an easy way to make their party more memorable. They're practical, nostalgic, and just plain fun - exactly what birthday celebrations should be about!