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. NALGENE WIDE MOUTH SQUARE HDPE 128 OZ NALGENE WIDE MOUTH SQUARE HDPE 16 OZ NALGENE WIDE MOUTH SQUARE HDPE 2 OZ NALGENE WIDE MOUTH SQUARE HDPE 32 OZ NALGENE WIDE MOUTH SQUARE HDPE 6 OZ SKU 340732 340729 340624 340731 340725 Brand NALGENE NALGENE NALGENE NALGENE NALGENE Barcode H28600212300103 000194407296 661195312189 000194407319 000194407258 VIN 2123-0010 2114-0016 562114-0002 2114-0032 2114-0006 Order Multiple 1 1 1 1 1 Volume 128 oz 16 oz 2 oz 32 oz 6 oz Insulated No No No No No BPA Free Yes Yes Yes Yes Yes Material HDPE HDPE HDPE HDPE HDPE Bottle Material PLASTIC PLASTIC PLASTIC PLASTIC PLASTIC