Keep your 510 thread cartridges protected and organized wherever you go with this 510 Cartridge Travel Case (3 Pack). Each compact case securely holds 2 cartridges, giving you 6 total cartridges stored across three cases. The vertical storage design keeps cartridges upright to help prevent leaks while protecting them from dust, pressure, and everyday wear. Made in a sleek all-black finish, these cases are discreet, lightweight, and easy to slip into a pocket, bag, or travel kit. Whether you are heading out for the day or packing for a trip, these durable cartridge holders provide a simple, reliable storage solution for your vape accessories.