Nalgene Cool Stuff 
BPA free, made using the finest plastics and metals,Great for use in both outdoor and indoor activities,Great look and innovative carrying solutions for your liquids,Neoprene insulating sleeve.,Fits all 32 oz wide-mouth bottles.
 
Features:
Neoprene construction
Accommodates 32oz Nalgene bottles
Integrated D-ring
This neoprene insulating sleeve keeps your beverage cool
Fits all 32 oz wide-mouth bottles
Impact resistant
Fully leakproof
Stays strong in sub freezing or boiling temperatures