Dimart Outdoor Neoprene Sport Water Bottle Insulator Sleeve bag Carrier with Removable Straps Fits Most 750ml Made of high quality neoprene material; Compatible with: 750ml water bottle. With a function of thermal insulation, to keep bottles warm longer. Be used in a single-layer aluminum or a stainless steel bottle, prevent hand burns. Fully protect your bottle surface from being scratched, scraping, extrusion and so on. Comes with removable and adjustable strap, easy to carry, most suitable for outdoor sport to carry water bottle.