Travel Portable Flexible Outdoor 700ml Water Bottles is very useful for Outdoor Activity like Hiking, climbing. Water Flowing Pressing. Stocked, Eco-Friendly. Anti-corrosion, Coating, Equipped. Boiling Water is Not Applicable. Bottle Mouth is Wide. Style is Brief. BPA with fda approved polyethylene inner-liner. Roll able and foldable with metal carabineer for clip-on and storage. Each bottle is individually packed in clear poly bag. Made with high quality puncture resistant material and a leak proof screw cap. Easily washable with soap and water - use them over and over again.