Thermal insulated water bottle sleeve cover is made with silk touch polyester in contrast with black handle. This water bottle bag has 5 no long black metal puller zipper. Fabric is virus protected, waterproof & leak proof. Inside food grade thick insulation foil helps in maintaining the temperature, hot water hot & cold water cold for 5 to 7 hrs. It has thick foam inside which protects your water bottle from dents & scratches. This sling insulated water bottle carrier holder has adjustable shoulder strap which is easy to carry. This thermal water bottle protector sleeve compatible for 750 ml and 1 liter water bottles. This water bottle sleeve bag cover is perfect for office work, travel, picnic, holiday, vacation, college, school & hiking for men, women, adults, boys, girls & kids. Gift this amazing water bottle bag to your loved one as birthday gift, anniversary gift, valentine gift, official gift to girls, boys, husband, wife, office colleague / boss, relatives or any one. Clean with damp cloth. There may be slight variation in color may occur due to lightning flash during photography or your monitor settings.