Okay, these zip bags are seriously durable - none of that flimsy plastic that rips when you look at it wrong. They're made from 2 mil thick polyethylene (that's the good stuff) and measure 2x12 inches below the zipper. The zip lock actually works properly - closes smooth and seals tight every time. We're talking 1000 bags in one bulk pack, so you'll be set for ages. Perfect for organizing everything from jewelry and crafts to incense and small electronics. They're food grade safe too, so you can use them for snacks or freezer pops. The offset lip with ridges makes opening and closing way easier than those cheap bags that fight you. Great for small business owners packaging products, teachers organizing classroom supplies, or just getting your home in order. They're waterproof and dustproof, so whatever you store stays protected. The clear plastic lets you see exactly what's inside without opening. Seriously, if you're tired of bags that fail after one use, these are your solution. The quality is noticeably better than most store-bought options.