Thickness up to 2 mil, strong enough to withstand the kitty claws. As showed in the photo, no tearing after test! DO NOT fit for the 'extra-large' tray. Super Thick Durable Litter Box Liners: Heavy duty litter liners is made by rugged material, scratch-resistant, tear-resistant and waterproof; No more urine or rubbish seeping into your bin.
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