220ml Glass Tumbler Wholesale | Factory‑Direct Whiskey Glass, Juice & Coffee Cup for Global B2B Buyers

Black obsidian has that unique, glassy look. It’s sharp, mysterious, and surprisingly heavy for its size. But let’s be real for a second—walk into any crystal shop or scroll through Etsy, and half the “obsidian” you see is either cheap slag glass or colored acrylic. I&r...