The Nalgene Nature Retro Wide Mouth Bottle have superior impact resistance and are suitable for both warm and cold beverages. Manufactured from BPA free Eastman Tritan copolyester  Nalgene Nature Retro Wide Mouth Bottle Features Convenient loop-top design means you'll never lose the lid; Durable, stain resistant & odour resistant Wide Mouth makes adding ice cubes a snap, and the opening accommodates most water filters. Marked with millilitres and ounces for easy measurement Vintage logo bottles are limited edition and available while stocks last