Generic, backpack, cute yellow cartoon heart-shaped print student schoolbag, 420g high-density polyester oxford fabric, wear-resistant, water-repellent, casual laptop travel bag, suitable for teenagers, students, men and women for daily commuting, school, campus, short trips, and outdoor activities, scientific ergonomic widened and thickened decompression breathable padded adjustable shoulder straps to relieve shoulder and neck pressure, large-capacity multi-functional main compartment with dual-layer classification storage design, smooth two-way zippers with convenient front zipper pocket and side pockets for water bottles and umbrellas, reinforced comfortable top handle and anti-wrinkle wear-resistant reinforced base structure, One Size.