This product is exactly what I was looking for. It doesn’t fit on my z900’s pillion seat like I’d hoped but it fit great on my duke 200. I docked one star off an otherwise perfect review because the magnets are terrible… really weak and tiny. I mean, on a bike going 80 mph+, your gonna need that to stay down. I replaced them with the magnets from my 15yr old manta bag and it works perfectly now. Id also recommend getting another strap if you intend to carry this as a sling pack like I do when I use it as a lunch box.The tailpack was exactly what I was looking for: Low profile, attractive, expandable, & fairly easy to install.But shipping packaging was poor, shipped in a plastic bag wrapped in tape so tightly that the tailpack was crushed, with a few permanent creases evident. I had to put shipping air bladders inside to inflate it back to its proper shape. After several days it appears to be holding its proper shape. Supplier should stuff it with air bladders when shipping it to avoid crushing.Also, though expandability is nice feature, it is not very practical, requiring seat removal to adjust straps. The alternative is to leave slack in straps when not expanded, which looks funky & they flutter in the wind. May be less of an issue if seat can be removed without tools (mine can’t).But overall, happy with the purchase.It has to be a very small helmet to fit in there. Nice quality, waterproof, looks good etc. Good size for commuting.Works well for what I use it for you can carry a couple bottles of water (20oz). As far as water proof goes I haven't test it in rain, but the only thing that might have a leak issue is the zipper line. The material seems well made and should stand up to moderate wear and tear.Extremely useful. I have trouble getting my leg over sometimes but I'm happy with it.Perfect sizeProduct was awesome. The only issue i had was the resistance the straps were able to handle. I honestly had a few rip the bag and almost rip off from tightening them too tight.Smaller than I expected. I wondered how my lunch bag was going to fit. Then I realized, this is my new lunch bag. Super easy to mount and dismount, for on the go riding.I haven’t try it yet because is still winter but so far looks good. You can put inside the essentials for a short trip.C bien mais à mal été vérifié question qualité un des sippeurs m’a rester dans les mains j ai voulu l ouvrir à la sortie du sacpour motoneigeBonne qualitéFor 25% of the price you get 85% 9f the product