The Cool Kids Toddler Stroller Seat offers cooling for your toddler on the go at a cool and comfortable temperature of 58 degrees Fahrenheit. Features: Discreet, Clean Design: The clean design has no logos or visible pack pockets. The stroller seat fits easily and securely into any stroller with the help of adjustable straps. Deluxe Fabric: Constructed of a durable nylon to stand up to your toddler's active life and is easily cleaned in regular laundry. Cool58 Cooling Packs: Cool58 cooling packs freeze solid at a moderate and comfortable temperature of 58� Fahrenheit (14.4� Celsius), so they can be activated in a freezer, refrigerator, or even a bucket of ice water. These reusable packs deliver comfortable cooling for up to 2-3 hours. (Please note: cooling times are estimates and will vary depending on climate, body metabolism and activity.) This stroller seat includes one (1) 6" x 16" pack. Insulated Pack Pockets: Packs fit into an insulated pocket inside the stroller seat. The pocket has a comfortable all-cotton fabric to protect the skin and an insulated outer composite fabric to direct the cooling energy toward the body. Temperature may also be adjusted for comfort by increasing or decreasing the number of clothing layers beneath the vest. How do Cool58 phase change cooling packs work?: Cool58 cooling packs freeze solid at a moderate and comfortable temperature of 58� Fahrenheit (14.4� Celsius), so they can be frozen in a freezer, refrigerator, or even a bucket of ice water. Once activated, these reusable packs deliver comfortable cooling for up to 2-3 hours. (Please note: cooling times are estimates and will vary depending on climate, body metabolism and activity.) Packs are non-toxic and non-flammable. Packs do not require a freezer! Packs can simply be submerged in ice water or placed in a refrigerator or freezer to activate. Easy to use - packs can be activated by simply submerging the packs into ice water for up to 20 minutes when access to freezers