**Product Specifications:**
**Brand:** Cambridge Tree
**Product Name:** 5S Spinal Care Backpack
**Appearance Material:** Oxford PVC + Polyester Fiber
**Weight:** Small Size/±840g, Large Size/±1000g
**Applicable Crowd:** Primary School Students Grades 1-6
**Dimensions:** 40cm x 37.5cm x 18cm (Large Size), 30cm x 27cm x 16cm (Small Size)
**Features:** Dynamic pressure dispersion, stable fit, shock absorption support, hollow spinal care
**Research and Development:** Cambridge Tree's R&D department has been dedicated to spinal care for 12 years from 2012 to 2024
**Certifications:** IGR, CNAS, SMQ, German IGR, China Qualified Assessment, Deep Inspection Group, International Ergonomics Certification, National Accreditation, Quality Technology, Laboratory Accreditation, MA, NBTS, Chinese Academy of Sciences Institute of Mechanics, Guangdong Energy Label, Patent Certification, Quality Certification, Authoritative Evaluation, Authoritative Testing
**Sales:** Over 11,210,737 units sold through all channels as of August 2024
**Additional Information:** The backpack features a 5S stability system for spinal care, including dynamic pressure dispersion, stable fit, shock absorption support, and hollow spinal care. It is designed to reduce shoulder pressure and promote good posture. The backpack is equipped with a 5S stability system that ensures stability while standing, walking, and running. It has been certified by IGR and SMQ for ergonomic design and quality inspection. The backpack also includes features such as a breathable design, large capacity, water-resistant fabric, reflective strips for nighttime visibility, and anti-counterfeiting details. Available in multiple colors and sizes to suit different preferences and needs.
(Note: Backpack dimensions are manually measured and may have a ±1cm error.)
