1 Arm & Hammer is a brand of a natural toothpaste as it uses baking soda which is a natural ingredient used to whiten teeth. 2  This company also makes whitening toothpastes and toothpaste that makes teeth stronger. 3  Close-Up. 4  This brand is known for including mouthwash ingredients.
A standard double bed is 4 feet 6 inches wide and 6 feet 3 inches long (137 x 190 cm). This is the most common and widely available size for all bed types in the UK.
A standard twin bed, or single bed, is designed for one person. They are 39 inches (100 cm) wide and 75 inches (190 cm) long. These types of beds are popular for kids, and are often found in day beds and trundle beds as well. Bedding is easy to find for a standard twin bed. An extra long twin bed is very common in college dorm rooms.