Magnakoys® 24-400 Continuous Thread Closure Black Caps Fits our following products: 5 dram, 6 dram and 4 Oz. Boston Round Bottle.

**See our images for a better explanation on how to fit caps to vials and to know what size your vials require.

If you need a certain size cap or a certain quantity that we haven't listed in our store, simply message us and we will send you a prorated invoice for your special order.

All orders ship same day if received by 3 PM Eastern Time, after 3PM Eastern Time your order will ship the next day.

Thank you for looking!