Product features Droplet swim nappy comes with a matching mini wet bag Elasticized waist and soft fold over leg elastics for the perfect fit Side snaps for fast and easy changes Super light fabrics and trim design Fashionable outer pul shell with soft mesh inner to help keep any solids inside the nappy Handy mini wet bag to store the nappy in after use! Make sure you ring excess water out of the nappy before putting in the bag Sizing Extra small - 0 - 3 mths (3-5kg) Small - 3-6 mths (5-11kg) Medium - 6-12 mths (10-14kg) Large - 12 - 24 mths+ (over 12kg) As all babies are different shapes and sizes all ages and weights are approximate How droplets work Swim nappies are designed for infants and non-toilet trained toddlers to catch any solid accidents.