Staples offers Slice Auto-Retractable Mini Cutter, Gray/Green, Each (10514) for $9.05 with free shipping.

Product Description:
This mini cutter features a finger-friendly safety blade made from advanced ceramics. The no-rust blade's edge lasts up to 11 times longer than steel and can be reversed for a fresh edge; that's up to 22 times longer than dangerous metal blades. Blade auto-retracts for safety.

• Automatic spring-loaded retraction for added safety
• Blade edge last up to 11.2x longer than metal
• Non-sparking, non-conductive, non-magnetic blade
• Chemically inert blade never rusts
• Oil- and lubricant-free blade
• 100 percent zirconium oxide blade
• Finger-friendly blade cuts effectively
• Reduces injuries, lowers costs
• Ambidextrous Design: Switch Blade Slots for Lefties
• Material: ABS, POM, stainless steel, NdFeB magnet, zirconium oxide
• Installed Blade Type: Rounded Tip
• Weight: 0.65 oz