1. Material: canvas + oxford cloth2. Comfortable and breathable3. Applicable object: dog4. Processing method: printing5. Suitable for the season: four seasons6. Adjustable buckle, easy to wear7. Weaving method: woven plain weave8. Unit weight: 15g for S size, 22g for M size9. Size: S size is suitable for neck circumference 22-34cm, M size is suitable for neck circumference 28-41cm

http://olla.gr/pet-accessories-adjustment-buckle-baseball-cap-size-m-blue/