Finger Print version for Professional Use. Light and flexible. Provides more effective adhesion. Better "Breathability." Water-Resistant. Made of 100% high-grade cotton. Adhesive is a heat-sensitive medical grade acrylic. Hypoallergenic and latex free for all patient populations. Maximum elasticity is approximately 30-40% from resting length. Utilize the traditional Kinesio Taping Method to ensure effective results.