48oz/1.5L WM Silo Tritan Sustain Bottle - Green GlowDESCRIPTION A new development in sustainability from Nalgene, the first to market with a new resin powered by next generation recycling technology that transforms plastic destined for landfills into high performance BPA BPS free bottles. The 1. 5 Litre Silo offers more capacity for more adventure! The new Nalgene Sustain product line is made from material derived from 50% waste plastic (using ISCC certified mass balance), further offsetting the use of