Many motorcycles are rackless, no suitable positions to fit , but need to carry necessary gears for medium/long distance riding. Universal Fit: rackless,fit streets,race , etc. Based on these, we designed this bag: universal fit for almost all bikes. modular design for fixing different bags, versatile and reliable mount base, which can let you focus on the+iding, free of worying when riding in harsh environments. Product name:Motorcycle mounting base Product size:Fully unfolded size:length 100CM x height 41CM, single side size:22CM x 36CM, overall fabric thickness:about 6MM Note: Installation guide not included, Please check as much as possible to make sure the item is what you need. Due to different production batches, there are slight differences between the actual product and the picture, which not affect normal use. Colour:As Shown Material:PU Package Contents: 1 * Motorcycle Rear Seat Side Bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.