Q: Age and weight for this hipseat?
A: Baby Carrier is suitable for baby who is 0-36 months, 0-20kg. But the best use age ranges from 4 months to 1.5 years old. As most babies start to sit straight alone when they are 4months. When babies are 1.5 years old, sole carrier can be used without straps. U can look through description on page for use instructions.
Q: A maximum size belt?
A: Generally the wait belts can fit for moms or daddies whose waist line is within 80cm-110cm. It means most customers can wear it.