• Hard Shell Material Upgraded LeatherQuality: Three-dimensional and stylish, not soft
• Double Zipper Opening Easy to Take and Store: A large opening at the top makes it easy to store various items
• Easy to Disassemble: Disassembly and assembly of multiple magic sticker straps
• Portable Opening Design at the Tail: Can be installed with E-bike batteries, with more thoughtful details
• Magic Sticker Combination Partition: Quickly disassembled and ready for use
• Security Upgrade: Tail lights can be hung, safer high-brightness reflective, safe for night driving

Specifications: 

• Main material: leather composite velvet EVA polyester on both sides, lined with dense lining
• Weight: about 1597g
• Before expanded size: 46 x 23 x 27cm
• After expanded size: 46 x 27 x 49cm
• Applicable: shelf bags, shoulder bags, handbags, battery packs 
• Before expanded capacity: 10L
• After expanded capacity: 20L
• Waterproof: Daily Waterproof