Extra large - 10" x 18"
The Original Hydrocollator Moist Heat HotPac. The first choice for physical therapists, physicians, chiropractors, athletic trainers and kinesiologists for nearly 60 years.

Features:
Provides up to 30 minutes of deep soothing, moist heat
Brown tabs on most HotPacs for easy rotation in busy clinics
Cost effective, provides hundreds of treatments from one HotPac
All natural product
One year warranty
Can be heated using Hydrocollator Heating Units, or, for home use, in hot water or the microwave.