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Ursack Odor Barriers by OP Sak

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Extraordinary odor-resistant plastic bag. 3 pack. Although these O.P. Saks look like ordinary zip lock plastic bags custom sized originally for Ursack, they are not.
These patented bags provide 17,000 times more odor resistance than high density polyethlyene.
12.5" X 20"
appx. 1 oz
Fits in all 650 cu. in. Ursacks.

Comes as a 3 pack , not sold individually
WE HIGHLY RECOMMEND PURCHASING THE ODOR BARRIER 3-PACK FOR USE WITH THE OLDER URSACK MODELS (Original, Major, & Ultra)
Ursack Odor Barriers by OP Sak
$10.99