Product Specifications
Brand: KALA·Y
Product Name: KALA·Y Anti-Sagging Load-Reducing Accordion Backpack (Shiguang Series)
Recommended Height & Size:
Stage 3 (Rapid Growth Period): Height 150-175 cm, Capacity 26.2L, Dimensions 290mm (W) x 430mm (H) x 210mm (D), Recommended for middle and high school students
Stage 4 (Mature Period): Height 165 cm and above, Capacity 30.2L, Dimensions 305mm (W) x 450mm (H) x 220mm (D), Recommended for middle school to university students
Additional sizes: Small size for height ~158 cm, Large size for height ~182 cm
Weight: Net weight varies slightly by batch; manual measurement tolerance ±1-2 cm
Material:
A-grade fabric compliant with GB/T 26158-2010 "Chinese Minor Human Body Dimension Standard"
Phthalate-free, formaldehyde-free, no detectable harmful aromatic amines or heavy metals
Double antibacterial lining with 99% inhibition rate against Staphylococcus aureus and Escherichia coli
Design Features:
Accordion-style expandable structure for easy compression and storage
Large capacity suitable for 15.6-inch laptops, iPads, wallets, water bottles, umbrellas
Multiple compartments: main large compartment, front upper pocket for small items, inner pocket for books with rear-centered weight distribution, front zipper pocket, front lower pocket for extra storage, elastic side pockets for water bottles and umbrellas
H-shaped shock-absorbing load reduction system with 250g sandwich padding and 2.5cm high-elastic memory foam for enhanced comfort and anti-sagging
Ergonomic U-shaped shoulder straps with widened contact area and vest-style neck fit
Adjustable chest strap for height adaptability
Rainbow webbing and anti-slip buckle to fix backpack position under 40kg load without shifting
Balanced left-right force distribution to prevent sagging
Safety & Quality:
Meets "General Safety Requirements for Student Supplies"
Eleven safety tests passed including no detection of phthalates, formaldehyde, carcinogenic aromatic amines, and heavy metals
Antibacterial lining tested and certified (Test Report No. 250242400)
Colors Available:
Ivory White
Lavender Purple
Legendary Blue
Piano Black
Model Height Examples:
Small size: 158 cm, 164 cm
Large size: 165 cm, 182 cm
Product Codes:
Small size: CX5573
Large size: CX5573L
Warranty & Service:
2-year quality guarantee
30-day return and exchange policy
Manufactured by KALA·Y Group, Jiangsu Factory (30 years of manufacturing experience)
Note: All dimensions are manually measured; a deviation of 1-2 cm is within reasonable range. Net weight may vary slightly by production batch.
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