The campsite just got a whole lot brighter with the Firefly. Outdoor gear youth adventure combo. This set includes a backpack, lunch box, and water bottle which is perfect for a day at school or any weekend adventure. The shoulder straps are made with soft and breathable mesh fabric and include a chest strap with a built-in emergency whistle. The lunch box is designed for active lifestyles with a durable construction that will keep drinks and snacks cold for hours and this lunch box fits perfectly inside the accompanying backpack. The water bottle is designed with a tough, vacuum-insulated stainless-steel construction making it durable enough to take on any adventure. The finger loop on the lid makes for easy carrying and it fits perfectly in the side pocket of the accompanying backpack. Step up your next outdoor adventure with the Firefly. Outdoor Gear Youth Adventure Combo. Check out all that Firefly. Outdoor Gear has to offer and collect the whole set.