The most rudimentary accessory for pack and bag internal organization is a decent stuffsack or pack liner. These 210D simple stuffsacks are relatively lightweight and quite water resistant, simply great for most situations. Note.  Savotta manufactures this product in Finland and Estonia. Country of manufacture is labeled to the product. Made from relatively lightweight 210D polyamide Rolltop closure with SR buckle Big ones can be used as liner bags inside your backpack for added protection against rain 5 year material and workmanship warranty Weight 5L: 65 g 10L: 95 g 20L: 125 g 40L: 195 g Dimensions (Width x Length) 5L: 23 x 41 cm 10L: 31 x 52 cm 20L: 38 x 63 cm 40L: 50 x 85 cm Materials  Fabric: polyamide, 210D Webbing: 100% polyester