1 inch = 2.54 cm100% PolyesterAttention plz: If your kid is , we recomend choosing a larger size, thanks.Thank you and nice day!Package include:5PC PantComfortable: Made of 100% polyester, UPF 50+ which 90% of the sun's harmful rays. The smooth polyester fabric is lightweight, comfortable and quick dry. The silky smooth mesh lining offers all the extra support your boys need during any activity at the beach, pool, or if they are just lounging around. Your boys can spend an entire day wearing these cute shorts.Drawstring closureGood quality: This boys swim trunk features an elastic waistband with drawstring closure which is extremely durable and comfortable. Made of comfortable quick dry fabric, your boy could easily feel how great it is when they wear these swim trunks.thanks for your understanding!Style: The fashion style will be on full display with this cool and comfortably fit boy's swim trunks with tropical prints. This playful wrinkle shorts are short and above the knee, they will make your style come with its unique patterns. Please allow slight 1-3cm difference due to manual measurement and a little color variation for different display setting,Occasion: These boys boardshorts are suitable to wear anywhere such as for walking, running, swimming, surfing, playing, drifting, in the beach or lounging at home etc.