Waterproof children's backpack

Material: Nylon
Capacity: 20-35L
Internal structure of the bag: ID bag, mobile phone bag, sandwich zipper bag, zipper hidden bag, camera slot
Opening method: zipper
Function: waterproof, breathable, wear-resistant, load reduction, shock resistance
size:
S: 35 * 28 * 16cm
M: 39 * 30 * 18cm
L: 42 * 32 * 20cm