Better keep your cool! It's easy to keep your children cool and snug with this sun filter that is custom designed for the Caboose Stand-On Tandem. While this cover provides protection from UVA/AVB rays, it is also see-through, so your little ones won't miss any of the action around them. Parents love the Cool and Snug because it keeps their children comfortable, it's easy to install, and the zippered opening allows access to the child without having to take the cover on and off. The Cool and Snug Sun Filter is the "coolest" stroller accessory on the market.