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We also have a "pack liner" made of our amazingly light Ultra-Sil. The shape of the sack is designed to fit the internal contours of a backpack, so the base is oval, rather than round.
|Size||Fits pack size||Weight||Max width x Min width x height|
|Small||50 Liter - up to 3000 cu in pack||2.6 oz / 74g||22 in x 18 in x 26 in|
|Medium||70 Liter - up to 4300 cu in pack||3.4 oz / 98g||24.5in x 19.5 in x 35 in|
|Large||90 Liter - up to 5500 cu in pack||4.4 oz / 125g||26.5 in x 22 in x 47 in|