Schick Quattro® Razor Bonus Pack The worlds first four-bladed shave. Performance Guarantee: Schick Quattro is unconditionally guaranteed. If you are dissatisfied, Schick will replace it free of charge or refund your full purchase price. Schick Quattro Blade Shaving Cartridges give a close clean shave with four synchronized blades and two shave conditioning strips in every cartridge. 2 Conditioning Strips with Aloe & Vitamin E, 4 Synchronized blades with patented blade coating, Ergonomic Handle Design. All Quattro cartridges fit all Quattro razors.