Package includes: You will receive 2 pieces of insulated breastmilk cooler bags in 2 different colors, black and gray. Enough quantity to meet your daily needs.Size: The milk bottle storage bag height is 9.8 inches, bottom diameter is 3.15 inches, moderate in size, it will fit most of the bottles.HeaLong-lasting insulation: This breastmilk cooler bag with heat preservation function. Keep milk the perfect temperature for 3-4 hours.High quanlity: This thermal bag is made of oxford cloth and aluminum foil liner, which is sturdy and wear resistant, and can be applied for a long time.Easy to carry: This breastmilk cooler bag is lightweight, compact and portable, it can be hung in a bag or stroller, which is suitable for travel without taking up much space.