Don't quote me on this, but I would guesstimate that they're about a 10 gauge laminate. I measured them and they're 1/18" of an inch thick. They're very solid feeling and fit perfectly on Honey Can Do 5-shelf wire rack. I've bought quite a few different brands of shelf liners and these are the best I've gotten to date. Hope this helps.

Gorilla Grip Wire Shelf Liner, Heavy Duty Waterproof Shelving Liners for Metal Rack, Hard Plastic Shelves Prevent Spills in Closet, Garage, Kitchen, Cabinets, Mat Covers, Durable, 36 x 14, Black

Gorilla Grip Wire Shelf Liner, Heavy Duty Waterproof Shelving Liners for Metal Rack, Hard Plastic Shelves Prevent Spills in Closet, Garage, Kitchen, Cabinets, Mat Covers, Durable, 36 x 14, Black

Q: Are they slick or provide some grip as they say?

These are polypropylene and have a smooth surface. No grip. Gorilla Grip is just the brand name.

Q: Is there anything that could be placed on each shelf end to keep items from falling thru the sides?

Clearly some folks are turning their shelves upside down so they’ve created ‘sides’. But those sides are to be turned down for the security of the unit and weight placed on the shelves. If all you have are lightweight items, perhaps that would be fine. But it does impact the weight limit drastically. It’s engineered the other direction for a reason.

Q: Do you offer these for 18x72 inch long shelves??

I don't know if they come 72 inches long, but you can tape 2 together.

Product ID: 621581006

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Details

Brand
Gorilla Grip
Colour
Black
Material
Polypropylene
Product dimensions
91.4L x 35.6W
Recommended uses for product
Shelf

💧Waterproof protection

💪Heavy-duty strength

✂️Customizable fit

Frequently Bought Together

GORILLA GRIP ShelfGuard Wire Shelf Liner Compatible with Amazon Basics Shelving Unit, Set of 4 Waterproof Liners for Organizing Metal Rack Shelves, Kitchen Cabinets, Cupboard, Pantry, 14x36 Black

Amazon Basics 5-Shelf Adjustable Heavy Duty Steel Wire Rack Storage Shelving Organizer for Kitchen, Garage, 36" L x 14" W x 72" H, Black

Description

🛠️ Grip it, seal it, own your space!

STABLE ORGANIZED - Smooth, flat surface prevents small items from slipping through, keeping your space neat and efficient.
VERSATILE STYLISH - Sleek black liner complements any space from kitchen to garage, enhancing both function and aesthetics.
SPILL PROOF CONFIDENCE - Waterproof surface keeps shelves spotless—say goodbye to stains and sticky messes.
PERFECT FIT EVERY TIME - Pre-cut curved corners and easy trim design ensure seamless integration with most wire shelves.
BUILT TO LAST A LIFETIME - Ultra-thick polypropylene liner engineered for unmatched durability and heavy loads.

Gorilla Grip Wire Shelf Liner is a heavy-duty, waterproof polypropylene liner designed to fit most wire shelves with pre-cut corners and customizable trimming. Its ultra-thick, smooth surface prevents spills and small items from falling through, making it ideal for kitchens, garages, closets, and more. Durable and easy to maintain, it offers lasting protection and organization for your shelving needs.

Specifications

Brand	Gorilla Grip
Model Number	840029613313
Color	Black
Product Dimensions	91.44 x 35.56 x 0.03 cm; 862 g
Material	Polypropylene (PP)
Special Features	Waterproof
Item Weight	862 g

Have a Question? See What Others Asked

Are they slick or provide some grip as they say?

Is there anything that could be placed on each shelf end to keep items from falling thru the sides?

What is the gauge?

Do you offer these for 18x72 inch long shelves??

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