140 Count Waste Drawer Bags for LR 3 and 4 - Durable Litter Liners

In this review the focus is on PETOCAT 140 Count Waste Drawer Bags for LR 3 and 4 and similar automatic litter boxes. The bottom line: these pre-separated, tear-resistant liner bags are for cat owners who use a Robot 3, 4 or CATLINK style self-cleaning litter box and want a low-fuss, hygienic way to collect waste. The single biggest reason to buy is convenience: each individual bag slips onto the drawer tabs and can hold a large volume of litter and waste without leaking, making weekly maintenance simple and hands-off.

Key Features

• Compatibility: Works with Robot 3, Robot 4, CATLINK and most automatic litter boxes that accept a drawer liner, so owners of popular self-cleaning units can use them without modification.
• Pre-separated design: Each bag is individual and easy to remove from the roll, allowing one-handed changes and reducing the chance the roll will fall apart during installation.
• Durable LDPE material: Made from 100% low-density polyethylene and non-heat-sealed at the bottom to stretch and resist tears, these bags can withstand up to 22 lbs without leaking.
• Large capacity: At roughly 9-11 gallon capacity with measurements of 25 in by 27 in, each bag holds a lot of litter and waste so it rarely overflows between weekly changes.
• Affordable supply: A total of 140 bags per box provides enough liners for about a year if changed weekly, lowering ongoing cost and the need to reorder frequently.
• Unscented and multipurpose: Unscented liners are suitable for sensitive cats and can also be used as household trash bags or storage liners when needed.

Who It's For

These liners are best for cat owners who use an automatic, drawer-style self-cleaning litter box and want an easy, hygienic replacement bag that fits a drawer up to about 13 in long, 12 in wide and 8 in high (with L+W less than 24 in). They suit households that prefer unscented, tear-resistant plastic and who change liners on a weekly schedule to keep odors and mess manageable.

Owners of non-drawer litter systems, very large custom drawers, or those who need scented or compostable liners should look elsewhere, since these are LDPE unscented liners designed specifically to fit standard self-cleaning drawer dimensions and functionality.

Pros & Cons

Pros

• Pre-separated bags are easy to access and remove one at a time, speeding up maintenance.
• Durable, stretchy LDPE material resists tears and leaks even under heavy use.
• Large 9-11 gallon capacity and long bag length make tying and disposal cleaner and simpler.
• 140-count box reduces reorder frequency and offers strong value per bag.

Cons

• Not heat-sealed at the bottom by design, which some users may prefer for a sealed seam; the non-heat-sealed finish can make rolls fragile if removed from the package.
• Specifically sized for drawer-style boxes, so fit is not guaranteed for non-compatible units.

Specifications

Brand	PETOCAT
Count	140 bags per box
Material	100% LDPE (low-density polyethylene)
Bag size	25 in W x 27 in H
Capacity	9-11 gallon (holds up to 22 lbs)
Compatible with	Robot 3, Robot 4, CATLINK and most drawer-style auto litter boxes
Design	Pre-separated individual bags, unscented

Our Verdict

For owners of compatible self-cleaning litter boxes these PETOCAT liners offer practical, affordable convenience: the pre-separated bags, durable LDPE material and large capacity reduce mess and weekly cleaning time. They are good value for households that change liners on a schedule and want unscented, tear-resistant protection; check drawer dimensions first to ensure a proper fit.

Frequently Asked Questions

Will these fit my drawer-style litter box?
They fit most Robot 3, Robot 4 and CATLINK style drawers up to about 13 in long, 12 in wide and 8 in high (L+W less than 24 in), so measure your drawer before ordering.

Are the bags leak-proof?
The LDPE material is durable and can withstand up to 22 lbs, providing strong resistance to leaks, though the bottoms are not heat-sealed by design.

How long will 140 bags last?
At one weekly change the box contains about a year of liners; frequency can vary based on number of cats and use.