Javvy by Isis in color #4 is a 16 inch long lace front blend of Kanekalon and Toyokalon fiber. This hair fiber is definitely not heat resistant. There are combs in the front and back as well as adjustable straps and a 1 inch wide ear to ear brown lace front. Javvy can be worn with or without glue or tape. Javvy is a cute and versatile medium length wig.