I didn't use it much because the size didn't fit. This is an organic cotton Elizabethan collar with animal patterns, perfect for caring for your dog. It has an "Organic" label, so it seems to be made of organic materials. - Brand: - Model Name: - Material: Organic Cotton - Design: Animal Pattern - Type: Elizabethan Collar - Size: Diameter: Approximately 26cm Neck Circumference: Approximately 9.5cm Thank you for looking.