4 Slice Tools That Make Opening Any Package Easier, and Your Purchase Supports a Great Cause!

Unwrapping packages should be a small joy, not a daily struggle—or a trip to the urgent care clinic because a pair of open scissors or a random steak knife slipped while being misused. With so many of us shopping online today, resulting in an endless parade of deliveries from Amazon, Hello Fresh, Chewy, and, in my case, products to review—a reliable, safe, and easy-to-use tool that can slice through all that tape, plastic, and shrink wrap is necessary. Enter Slice, the ultimate cutting tool that brings safety and efficiency to your daily unboxing routine.

Slice Tools

Slice offers a range of ceramic cutting tools designed to make your life easier and your fingers safer. These tools feature micro-blades that effortlessly cut through tape, corrugated cardboard, and even those notoriously difficult clamshell packages.

The best part? Slice’s blades are made from ceramic, which is harder and sharper than traditional metal. On the Mohs hardness scale, ceramic blades score an impressive 8.2—second only to diamonds—compared to metal’s 5.5. This means you can go weeks or even months without replacing a blade. And when you do, it’s a breeze, thanks to the simple, no-tool blade change feature.

Slice was founded in 2008 by TJ Scimone, who envisioned reimagining everyday cutting tools to make them safer and more user-friendly. His mission was also personal: One percent of all Slice sales are donated to autism research, inspired by his experience caring for his autistic son. So you can buy these products and know that you’re also supporting a great cause.

Here are some of our favorites.

Slice Carton Cutter

The $9.49 Slice Carton Cutter perfectly exemplifies the brand’s commitment to safety and efficiency. This small box opener is made with 100% zirconium oxide, offering a finger-friendly edge that keeps you and your packages safe.

The blade is sharp enough to cut through the boxboard without damaging what’s inside, and it never rusts, lasting up to 11 times longer than metal alternatives.

Its ergonomic design makes it easy to handle, whether opening boxes or slicing through other materials like plastic, shrink wrap, or vinyl.

Slice Manual Box Cutter

For something more robust, the $19.99 Slice Manual Box Cutter offers a bamboo handle and a three-position manual slider, allowing you to lock the blade in fully extended, semi-protruding, or fully hidden positions.

This versatile tool is ideal for cutting corrugated packaging, foam, and cardboard, and it’s designed with a blade that stays sharp up to 10 times longer than steel. It’s stylish, durable, and, most importantly, safer than traditional utility knives.

Slice Mini Box Cutter

If you’re looking for a compact tool that can double as a pocket knife, the $12.99  Slice Mini Box Cutter is a great choice.

Its auto-retractable design keeps the blade out of harm’s way when not in use, and it’s made from advanced ceramic material that’s rustproof, nonconductive, and anti-magnetic.

The built-in magnet and keyhole make storage easy, ensuring you always have this handy tool within reach!

Slice Manual Slim Pen Cutter

Finally, the $14.99 Slice Manual Pen Cutter offers a sleek, slim design perfect for tight spaces. It’s equipped with a finger-friendly blade that’s safe to the touch, and the handle is made from durable glass-filled nylon.

This cutter is ambidextrous, with a blade that can be flipped to suit left-handed or right-handed use, and it’s built to last.

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So, if you’re tired of struggling with stubborn packaging and want to make unboxing a breeze, Slice has the perfect tool. Check out their full range of products today and easily slice through your packaging woes!

As an Amazon Associate, we earn from qualifying purchases. If you are shopping on Amazon anyway, buying from our links gives Gear Diary a small commission.

About the Author

Judie Lipsett Stanford
Judie is the co-owner and Editor-in-Chief of Gear Diary, which she founded in September 2006. She started in 1999 writing software reviews at the now-defunct smaller.com; from mid-2000 through 2006, she wrote hardware reviews for and co-edited at The Gadgeteer. A recipient of the Sigma Kappa Colby Award for Technology, Judie is best known for her device-agnostic approach, deep-dive reviews, and enjoyment of exploring the latest tech, gadgets, and gear.

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