Dear:  High Quality，wish you like it!   Material: EVA. Color: blue/yellow/pink. Item size: 30 cm * 27 cm (fits head circumference: 40 cm-53 cm). Inner diameter: 12.5 cm-14 cm. Quantity: 1pc. Reminder: 1. please read the measurement before the purchase. 2. color may vary slightly for different phones display. 3. please allow 1-3 cm deviation due to different measuring approach.