Vegetation Solar Still for Water Collection and Purification. Enables the capture of potable water from non-poisonous plants via solar action. Especially useful in arid areas where ground and surface water is not available. The age-old practice of extracting potable water from plants is maximized using this kit. Contains: (3) 25 gallon specially formulated optically clear collection bags, UV stabilized, food grade. Maximum sunlight penetration at 88% – 92%. (1) 6″ drinking tube, NSF61 Grade, UV resistant. (1) 2″ x 4 ft. 100mph tape, mil-spec. (1) resealable stand-up drinking pouch. (1) Instructions for use. Compact and lightweight. Pack size 6″ x 10″ x 2″. Weight: 6.5 oz.