The Sea to Summit Watercell ST is a lightweight, collapsible water storage bag for backpacking, camping, bikepacking, paddle sports, expeditions, and adventure travel. Its 3D molded shape features an internal baffle for easier filling, packing, draining, and drying. Made from abrasion-resistant, semi-translucent, food-grade TPU, with RF welded seams. The screw-top wide-mouth opening is compatible with industry standard water filtration systems and replacement lids. A low-profile welded fill-handle provides one-handed manageability, while strong, streamlined grab-handles double as lash points. The Sea to Summit Watercell ST is available in three sizes: 4-liter water reservoir measures 11 x 8.5 x 4 inches and weighs 4.4 ounces; 6-liter water reservoir measures 13.75 x 9 x 4.25 inches and weighs 5.3 ounces; 10-liter water reservoir measures 16.5 x 11.25 x 5 inches and weighs 6.7 ounces. BPA, PVC and taste-free. Sea to Summit products are guaranteed against defects in materials or workmanship for the lifetime of the product.4-liter water reservoir measures 11 x 8.5 x 4 inches and weighs 4.4 ounces; BPA, PVC and taste-free. Low-profile welded fill-handle for one-handed manageability; strong, streamlined grab-handles double as lash points. Screw-top wide-mouth opening is compatible with industry standard water filtration systems and replacement lids. 3D molded shape with an internal baffle for easier filling, packing, draining, and drying; made from abrasion-resistant, semi-translucent, food-grade TPU, with RF welded seams. Lightweight, collapsible 4-liter TPU water storage bag for backpacking, camping, bike packing, paddle sports, expeditions, and adventure travel.Special Feature: Water Resistant. Capacity: 10 Liters. Color: Blue. Material: Assembled. Brand: Sea to Summit. Date First Available: January 21, 2020. Best Sellers Rank: #83,899 in Sports & Outdoors. Customer Reviews: 4.2 out of 5 stars 77 ratings 4.2 out of 5 stars. : B083WTZK4N. Size: ?One Size. Included Components: ?Components included in the description. Part Number: ?STS-641. Manufacturer: ?SEATO SUMMIT. Suggested Users: ?unisex. Warranty Description: ?Manufacturer guarantee against defects in materials or workmanship for the lifetime of the product. Brand Name: ?Sea to Summit. Item Dimensions LxWxH: ?3.94 x 3.94 x 3.94 inches. Package Weight: ?0.14 Kilograms. Item Package Dimensions L x W x H: ?13.23 x 8.66 x 3.62 inches. Unit Count: ?1 Count. Sport Type: ?Hiking. Style: ?4 Liter. Reusability: ?Reusable. Theme: ?Sport. Number of Items: ?1. Recommended Uses For Product: ?Travel, Backpacking, Camping, Sports. Model Name: ?Awatcelst4. Age Range (Description): ?Adult. Special Feature: ?Water Resistant. Capacity: ?10 Liters. Color: ?Blue. Material: ?Assembled. Brand: ?Sea to Summit.