The Large HerbSaver is a 4-piece plastic herb grinder built from premium polypropylene — stronger, lighter, and safer than aluminum alternatives. With a magnetic lid, water-resistant chamber, kief catcher, and diamond-cut teeth, this 4-piece grinder with screen has earned the trust of 700,000+ fans since 2014. Backed by a lifetime warranty on the teeth.
Magnetic Lid
Snaps shut. Won't spill in your bag.
Water Resistant
Sealed chamber keeps herbs dry.
Odor Resistant
Discreet — no smell escapes.
Diamond Teeth
Sharp, precise cuts every time.
Kief Catcher
Friction-fit pollen screen.
Built-In Scraper
Stores inside kief chamber.
★ Why Choose HerbSaver
What Makes This The Best Plastic Herb Grinder
Most plastic grinders cut corners — cheap acrylic, weak teeth, screens that clog after a week. The HerbSaver Large Plastic Grinder is built different. Premium polypropylene means it's BPA-free, food-safe, and virtually unbreakable. The diamond-cut teeth are sharper than 90% of metal grinders, and they're backed by a lifetime warranty. The water-resistant magnetic seal keeps your herb fresher than any aluminum grinder, and the friction-fit kief screen collects pollen that would otherwise be wasted.
Plus, plastic grinders have one major advantage over metal: they don't conduct cold. Drop your HerbSaver in your bag during winter — your herb stays at room temp instead of freezing. Travel-friendly, TSA-friendly, and 60% lighter than aluminum.
★ The Specs
★ How To Use
How To Use Your 4-Piece Plastic Herb Grinder
1
Load The Top Chamber
Twist off the magnetic lid. Place small to medium pieces of dry herb between the diamond teeth — avoid overfilling. Leave room for the teeth to do their work.
2
Twist And Grind
Snap the magnetic lid back in place. Twist 6-8 times in alternating directions for the perfect consistency. Don't force it — the teeth do the work.
3
Collect The Ground Herb
Unscrew the middle chamber to access your ground herb. The texture should be fluffy and even — not too fine, not too coarse.
4
Harvest The Kief
After a few uses, kief accumulates in the bottom chamber below the mesh screen. Use the built-in scraper to collect this potent pollen for joints, bowls, or saving up.
★ Care & Cleaning
How To Clean Your Plastic Herb Grinder
Keeping your 4-piece plastic grinder clean keeps the teeth sharp and prevents stickiness. Brush out loose debris with a kief brush after each use. For a deep clean every few weeks, disassemble all four pieces and hand wash them with gentle dish soap and lukewarm water. Scrub gently with a soft brush, rinse thoroughly, and air dry completely before reassembling.
Important: Do NOT put your plastic grinder in the dishwasher — high heat can warp the polypropylene. Avoid isopropyl alcohol or harsh solvents — these can degrade the premium polypropylene over time. Hand wash only with mild dish soap.
★ Plastic Vs Aluminum
Plastic Grinder Vs Aluminum: Which Is Right For You?
Both have strengths. Here's the honest breakdown:
Plastic Grinder
- Lighter (60% less weight)
- Replaceable kief screens
- BPA-free premium polypropylene
- Better for travel/pocket
- Doesn't conduct cold
- More affordable
Aluminum
- Heavier in pocket
- Non-replaceable screens
- Conducts cold/heat
- More expensive
- Can dent if dropped
For everyday use, travel, and value — plastic wins. For collectors who want premium feel — check out the aluminum line.
★ FAQ
Frequently Asked Questions
Is the HerbSaver plastic grinder safe?
Yes — HerbSaver grinders are made from premium polypropylene (PP), a high-quality food-safe plastic. It's BPA-free and contains no harmful chemicals. Unlike cheap acrylic grinders, it won't leach or break down with use.
How do I clean my plastic herb grinder?
Disassemble all four pieces and hand wash with gentle dish soap and lukewarm water. Scrub with a soft brush, rinse thoroughly, and air dry completely before reassembling. Avoid the dishwasher (heat warps plastic) and don't use isopropyl alcohol (degrades premium polypropylene over time).
How long do the teeth last?
The diamond-cut teeth are built to last a lifetime under normal use — we back this with a
lifetime warranty. If they break from a manufacturing defect, we'll replace your grinder for free.
What's the kief catcher and how do I use it?
The kief catcher is the bottom chamber on a 4-piece grinder. As you grind, fine pollen (kief) falls through the mesh screen and collects below. Save it up over time and use it on top of bowls or in joints for extra potency. Use the included
scraper tool to collect it.
Can I replace the kief screen if it gets damaged?
Yes — one of the biggest advantages of the plastic grinder over aluminum. Get
replacement screens here. Aluminum grinders have non-replaceable screens.
How does it compare to other plastic grinders?
Most plastic grinders use cheap acrylic that cracks or stains. HerbSaver uses premium polypropylene — durable, food-safe, and built for long-term use. Combined with our diamond-cut teeth and magnetic lid (most cheap grinders don't have one), it's in a different class entirely.
What size grinder should I get?
The
Large (2.4" × 3.8") is the most popular — perfect for daily and group use. For travel or pocket carry, consider the
Mini HerbSaver. For simplest use, try the
2-piece grinders.
For Culinary Use OnlyIntended for grinding dry herbs and spices. Adults 18+.