There is a size chart & additional information listed in each product!
Capri is 1 years old and currently wearing size 12-18M.
Sivan is 5'3" tall, weighs 118 pounds, is 25/26 in jeans, and a 34B. She wears a SMALL in all styles.
ALL SUITS RUN TRUE TO SIZE. I RECOMMEND ORDERING YOUR USUAL SIZE IN SWIMWEAR.