1.The Backpack Set Includes 1 School Bag, 1 Lunch Bag ,1 Pen Case ,School Bag: Breathable And Comfortable,Sponge Mesh Material To Ease Kids Back And Shoulder,Adjustable Padded Shoulder Straps For Cushioned Comfort. Lunch Bag :One Bottle Mesh Pocket;Carry Adjustable Shoulder Strap ,Light Enough For Kids To Carry Easily ;Carry On Top;Inner Elastic Band To Hold Small Fork And Knife And Soup Spoon Handle.2.Material: Backpack And Pencial Case : Durable 300D Polyester ; Lunch Bag: Polyester; Lining Material:Eva+Pe Cotton.3.Size: Fashion Backpack: 11"X 17"X5"(L*H*W£. Lunch Bag: 7.5"X9.45"X3.1"(L*H*W£;Type:1-2 Persons. Pen Bag:8.66"X1.77"X4.33"(L*H*W£.4.Hight Quality :Vivid 3D Printing Design, Eye-Catching And Impressive;Air Cushion Belt Carrying System, Adjustable Shoulder Strap, Durable And Comfortable To Carry,Smooth Double Zippers.5.Children'S Backpacks For Preschool, Kindergarten, Elementary School, And Middle School,Lunch Bag Perfect Used For School, Office, Shopping, Sport, Travelling, Camping, Driving And Etc