SIGG bottles come with a choice of two openings. There is the classic mouth shape or the wide mouth opening allowing ice cubes to sneak in easily and particularly easy cleaning. Different tops add to the customization possibilities. These include the classic screw top, the super-practical New Active Top for speedy thirst quenching on the go, the tried and tested Active Bottle Top, as well as the nostalgic Retro Top. Kids get their own dedicated Kids Bottle Top. Color is also key when it comes to individualization and the tops spectrum of options can compete with a rainbow and win.