Guaranteed leak proof. Space-saving. Carry more solids, powders, or liquids on your next trip. Square shape allows better stacking. Convenient wide mouth allows easy filling and pouring of contents. Heavy duty, BPA-free HDPE material.

• Made from durable HDPE material, these bottles are built to last and withstand even the toughest conditions
  
• With a wide mouth design, it's easy to fill, pour, and clean these bottles, making them a convenient choice for on-the-go
  
• Whether you're hiking, biking, or just heading to the gym, these Nalgene bottles are the ideal companion to keep you organized