CYY Children Pupils Cartoon Trolley School Rolling Bag with LED Warning Lights C016BG Material:High quality nylon and oxford fabric. Size:Length:12.9''x Width:7.9''x Heigth:16.5'',The length of trolley:32.7'' Features:Durable,waterproof,padded and adjustable shoulder straps,Reinforced drag handle,Heavy duty rust resistant nylon zippers.Breathable mesh backing provides a cool feel in hot weather.Extra compartments for accessories. Advantages:Some bags'weels with LED warning Light.It's concise designed for convenient and practical.The bag with large capacity,versatile design,very suit for pupils go to scool,travel or shopping,etc.The school bag can be carried by shoulders,or by trolley. Occasion:Pupils,5-12 years old children go to school,travel,shopping,etc.