Product Specs Lightweight, weather-resistant, and sturdy recycled nylon ripstopBody: 2.4oz 70-denier 100% recycled nylon (50% postconsumer recycled/22% solution-dyed) ripstop treated with a silicone face coating and a polyurethane back coatingLining: 3.3oz 200-denier 100% recycled polyester with a polyurethane coating and a DWR (durable water-repellent) finishBody fabric is certified as bluesign® approvedDimensions: 4.75in x 8in x 2inVolume: 1L (61cu in)Weight: 100g (3.5oz)