Gillette® Fusion® ProGlide® Flexball™. New. Gillette's #1 on sensitive skin. Responds to contours for our best shave. 1 razor. 1 cartridge. 5 blades. Gillette's best shave. Great even on sensitive skin. 1. Flexball™ responds to facial contours. 2. Our thinnest, finest blades* with less tug and pull** for incredible comfort. 3. Precision trimmer on back for accurate edging. (*First 4 blades)/(**Vs. Fusion). All Fusion cartridges can be used with all Fusion handles. Comments 1-800-GILLETTE. www.gillette.com.