Only tried on. Veterinarian-supervised Elizabethan collar for dogs. Cushioned and fluffy shape. Size M (For reference, it was a little small for my medium-sized Japanese Spitz). Shipping via Sagawa Express or Letter Pack. Instant purchase OK. ★⭐︎Discounts available for combined shipping with other items⭐︎★ Please feel free to comment. ▶︎Please comment for price negotiations. ※There is a smoker in the household. I take care to store the items carefully, but there may be some odor on the packaging materials. Thank you for your understanding.