Love. Them. Will buy many more. Snug enough for comfortable compression, thick enough to not show lumps and bumps. I wear mine for both work and the gym. They can be dressed up and down easily. My favourite yoga pants and they cost remarkably less than what i usually pay.
Great for the price point but the quality is OK (get what you pay for). I've owned them for a couple of months and can say they wash OK; the main issue is that they are definitely not squat proof but great if you do light activities (walking etc.). I personally wouldn't wear these to work out in. My mum wears hers for travelling as the side pocket is indeed very nifty.
The seams are flatlocked but in some high wear areas (e.g. inner thighs) this seems to make little difference. There are tiny holes along the stitching in many of the seams. Prior to this I have primarily worn Nike leggings costing $60-$100+ which have lasted many years and look good as new. If you're going by cost per wear, these leggings are so cheap with the cost negligible but that's evident in the quality. Overall, they are good leggings but you do get what you pay for. Don't expect a high performance piece of clothing here.