Description:

【Versatile Use】: This motorcycles helmet bag can be used as both a backpack and a rear seat bag, with two way zippers, night reflective strips, elastic storage rope, and comfortable handle, making it good for various occasions. It's not just a motorcycle helmet bag, but also an ideal riding travel bag.
【Material】: Motorcycles Helmet Backpack is made from Oxford cloth and polyester material, waterproof and resistance to wear and tear, this bag is designed to withstand the rigors of daily use while maintaining its shape and appearance.
【Size】: Motorcycle helmet bag dimensions are 27cmx20cmx40cm/10.63inchx7.87inchx15.75inch before expansion and 27cmx31cmx40cm/10.63inchx12.20inchx15.75inch after expansion.
【 Large Capacity】: The Motorcycle Riding Backpack bag is stylish and practical, can be quickly expanded to accommodate items such as helmets, clothing, water bottles and more.
【Package Includes】: 1 helmet backpack,2 rear seat installation straps, 2 shoulder straps, 1 rain and dust cover, 1 crossbody strap and 2 elastic bands for stable attachment secure attachmen.

Specification:

Material: Oxford cloth polyester

Size Chart:

Size before expansion: 27cmx20cmx40cm/10.63inchx7.87inchx15.75inch
Size after expansion: 27cmx31cmx40cm/10.63inchx12.20inchx15.75inch

Package Includes:

1 Backpack
2 Back Seat Mounting Straps
2 Shoulder Straps
1 Rain and Dust Cover
1 Crossbody Shoulder Strap
2 Elastic Bands

Note:

Please allow slightly errors 1-2cm differences due to manual measurement.