Crafted from strong materials, our NASA Lunch Box is built to withstand the rough and tumble of daily life. It's durable enough to accompany you on all your exciting adventures. Constructed from durable 100% polyester with a 100% PEVA lining, this lunchbox is built to withstand the rigors of daily use. The lunch box itself is a single-compartment lunch bag with a roll top closure. Minimum Age 3+ years. This lunchbox measures approximately 8" x 10" x 3"