Keep things cool with the jumbo gel cooler from B.Box. Designed to fit snugly inside the b.box insulated lunch bag to keep snacks and lunch cooler and fresher for longer, especially when the weather gets warmer. Reusable non-toxic gel cooler sits inside a machine washable pouch to absorb condensation. Simply handwash and freeze overnight ready to be used again in the morning. The gel cooler is made from non-toxic food safe gel and PE nylon, and is handwash only. The cover is made from polyester and spandex and can be machine washed. Each pack comes with two handy gel coolers and one washable pouch/cover. Each gel cooler is 20.5cm x 15cm.