These vests are made of cotton material, durable and safe. suitable for boy girl. they are soft, and breathable. your kid will feel very cool in the summer. they match the most kinds of pants, shorts. wide cuff is practical, your kid will feel very comfortable. Features - ColorAssorted Color - Material: Cotton - Size 90cm: About 24cm(Chest),11cm(Neck Width), 35.5cm(Length), 4.330709 inches(Chest),4.330709 inches(Neck Width), 13.976378 inches(Length). - Size 100cm: About 26cm(Chest),12cm(Neck Width), 38.5cm(Length), 4.724409 inches(Chest),4.724409 inches(Neck Width), 15.15748 inches(Length). - Size 110cm: About 28cm(Chest),13cm(Neck Width), 41.5cm(Length), 5.11811 inches(Chest),5.11811 inches(Neck Width), 16.338583 inches(Length). - Size 120cm: About 30cm(Chest),14cm(Neck Width), 43.5cm(Length), 5.511811 inches(Chest),5.511811 inches(Neck Width), 17.125984 inches(Length). - Size 130cm: About 32cm(Chest),15cm(Neck Width), 45.5cm(Length), 12.598425 inches(Chest),5.905512 inches(Neck Width), 17.913386 inches(Length). - They are breathable. your kid will feel very comfortable. - Activity printing and dyeing, they are safe - They have the good sewing wiring and workmanship details, you will use them for a long time. - Made of cotton material, they are and durable. - Suitable for walking, travel, beach, holiday etc. Package list: 3 x vest