3.5 inch x 4.5 inch. Contains one (1) Thera Pearl pal. Hot or cold. Bruises. Swelling. Headaches. Bee stings. A new degree of relief. Doctor designed hot & cold therapy. www.therapearl.com. Doctor designed. Reusable. Non-toxic. Hot & Cold therapy. Thera Pearl combines the healing power of hot & cold therapy into one convenient pack. Enjoy extra ordinary relief from your everyday aches & pains and feel the optimal therapeutic benefit as our pearl technology conforms to your body. CE listed. Made in China.