Children Toddler Kid's Polyester Fabric 2-4-6th Grade Pupils School Bag Backpack , Car (28*15*41cm) Durable polyester material. Ergonomic design, breathable Waterproof and environment-friendly Adjustable shoulder strap for easy and comfortable carrying Size: 28*15*41cm/11.02"*5.98*16.15 Delivery time: 7-15 business days