100% brand new! It's suitable for your pets with neck size 13-16 inch. For the size details of the lion mane costume,please refer to our size photo in the listing. Made of faux fur and polyester,the wing can bear day-to-day resistance from running,rolling,chewing,etc. This costume is for fun and not to kill the fun time. Also,the materials we use are of top quality and would never hurt their fur or skin; Easiest to put on,and comes with an adjustable elastic for exact fit. Designed for larger breeds,like - labrador retriever and golden retriever. No need to make your pets suffer for fun. The lion mane wig feels so cozy and brings a soothing effect as their for chills on the manes. Moreover,it keeps them warm.(Be cautions in summer!) Sole distributor of 'xhorizon' products in amazon authorized by brand owner Mr. Lai.