The 5X Cartridges are the perfect blades to give you the smoothest and most comfortable shave. The Aloe Vera lubricating strip protects the skin and ensures a burn free shave while the anti-clog design ensures a quick and easy rinse. Best of all, the 5X cartridges are compatible with both the Spruce Shave Club 3X and 5X razors, so, if you are a Spruce Shave Club user you can switch it up anytime. Altogether, the 3X cartridges, with their premium blade quality will give you the ultimate shaving experience.