It's important to make sure contaminants on the fingers do not transfer to the leather while you're working. Finger cots not only prevent contamination, it also protect your fingers when pulling needle or tighten stitches. 

L:  Ideal for men's thumb
measured flat, the opening can stretch from 1.25" to 1.5"
    
M:  Ideal for men's index finger or women's thumb
measured flat, the opening can stretch from 1" to 1.25"
    
S:  Ideal for women's index finger
measured flat, the opening can stretch from 0.875" to 1.125"    

• Excellent fingertip dexterity
• Touch screen friendly
• Textured for easy grip
• Protects products from direct skin contact and contamination
• Latex
• Re-usable