Lightweight Casual Student Backpack Size:One size Capacity: 401-500ml (450ml)

Capacity: 401-500ml (450ml)

Best for outdoor use: Ideal for areas with direct sunlight — patios

A heat-sensitive ceramic mug that changes color as hot liquid is poured in

Chain Style: O-shaped chain

Lightweight Casual Student Backpack Size:One size Capacity: 401-500ml (450ml)A lightweight, multi functional student backpack made from eco friendly polyester canvas with a smooth zipper and rigid structure that stands upright when empty. Material: Polyester canvas Design: Padded, adjustable shoulder straps; 1 main compartment with 4 interior pockets; 2 side mesh pockets; 1 front zip pocket Color: Black Size: One size Great for school, work, weekend trips, hiking, and other outdoor activities.