Insulated Neoprene Disposable Water Bottle Holder Compatible (not limited to): - Compatible with Smartwater 16.9/20 Fl Oz Slim Plastic Bottled Water Bag - Compatible with Evian 16.9/25.25 Fl Oz Slim Plastic Bottled Water Bag - Compatible with Lifewtr 16.9/20 Fl Oz Slim Plastic Bottled Water Bag - Compatible with Crystal Geyser 16.9 Fl Oz Slim Plastic Bottled Water Bag - Compatible with Arrowhead 16.9 Fl Oz Slim Plastic Bottled Water Bag - Compatible with Essentia Water LLC 16.9/20 Fl Oz Slim Plastic Bottled Water Bag - Compatible with Propel 16.9 Fl Oz Slim Plastic Bottled Water Bag - Compatible with Icelandic Glacial 16.9 Fl Oz Slim Plastic Bottled Water Bag - Compatible with Acqua Panna 16.9 Fl Oz Slim Plastic Bottled Water Bag - Compatible with Talking Rain 20 Fl Oz Slim Plastic Bottled Water Bag - Compatible with Splash 16.