Always, always, (did I already mention always) order samples before doing a small or large bulk order. I trusted Aliexpress to be more of a “quick fix” to bypass this and quickly got burned.
The 200 units I ordered were nothing like the images on the product page and boy did I pay. I tried to return it but the shipping was about a third of the cost of the goods themselves.
Eventually me and the seller agreed to have me be refunded half the initial cost and me keep the goods. I sold the products in bulk and made MOST of my money back. I lost some money, some time, but I learned a valuable lesson. Never, ever, bypass getting samples from your potential supplier.