Our waterdrop Bottles exist in Glass or in Steel and come with a large variety of designs to fit your every mood. They have a narrow opening (3 cm) and can accompany you and your family in all your activities. This includes all Glass Bottles, Steel Bottles, Toddler Bottles, Kids Bottles, Sports Bottles and Limited Edition Bottles (produced after 2020).Our waterdrop All-Purpose Bottles are made out of stainless steel. They have a wider opening (6 cm), so they are perfect to drop an ice-cube in. They come in two models: Thermo, to keep the temperature of your water for hours, or Ultralight, very light and easy to carry everywhere with you.