INCLUDE: Total 5 Piece(backpack+lunch bag+pencil case+water bottle sleeve+book cover),suitable for 3 years and above BACKPACK: polyester,11"L x17.3"H x5.1"D (28x44x13cm),1* big compartment,front zipper pocket,two side mesh pocket LUNCH BAG: Polyester Lining Material,EVA+PE Cotton, 7.48inch(L)x3.14inch(W)x9.84inch(H), , Insulated lunch box with mini Bottle Holder pocket PENCIL CASE: 8.6Lx1.7Wx4.3H inch, can be used as pencilcase,cosmetic bag,coins bag,etc. Suitable for school, office, traveling and so on USE:school backpack set for preschool, elementary school or higher kindergarten children,primary student/children/unisex teens to school,outdoor,sports,hiking,and any daily use. bookbag, rucksack schoolbag, casual daypack for daily use at school, weekend getaway,back to school, Christmas, birthday, Children's Day, Thanksgiving Kids backpack school bag set with lunch bags and pencil case,water bottle sleeve,book cover,Personalized backpack,Perfect size for elementary school kids,unisex-children,unisex-teens,primary students.Casual Easy style using for school,outdoor sport travel.