Aqua X2 backpack. Zoya Aqua X2 backpack is a specially designed backpack for kids age 5 that is durable and spacious. Your child's first proffesional backpack that is easy to carry and handle on his own to teach him responsibility and independancy. Its light weight allows your child to easily carry it themselves and be able to pack and unpack their gear quickly and easy. In addition to a large bottom compartment for wet gear or up to 2 pairs of shoes. H. 43cm W. 29 cm D. 23cm