I recently read about this product in a magazine, and ordered it since I liked the idea of using a product to clean my yoga mat that was designed specifically for that purpose. The 8-ounce size is a really large bottle, and just a few sprays on each side of my mat and some wipes with a paper towel leave it smelling and looking fresh and clean. I can easily see this bottle lasting at least eight or nine months, even if I use this a few times a week.
I also ordered this in the "Soothing Citrus" scent, and was surprised that it didn't really smell like citrus at all. The list of ingredients should have warned me that the bergamot, frankincense, and patchouli oils would not give this a citrus-y scent, and those three smells were definitely the dominant ones. If you're sensitive to strong smells like I am, however, you should find that the smell dissipates really quickly after you spray it on and wipe it off. I didn't notice the smell at all after about a minute.
Overall, great product!
UPDATED ON 10/5/10: Just wanted to add that I've been using this to clean my exercise equipment (spin bike, boxing bag, etc.), and it works great for that purpose, too!