Ship from Hongkong. This baby stroller parent cup holder attaches to all strollers. It is suit for iron pipes' diameters between 1.6-3.5 cm. You can put the bottle's diameters under 8.5 cm. Not only use for stroller, also use for bike or crib and so on. Size: 12.5*9*8 cm. It is convenient for mom or dad to place the bottles when going out.