The most practical Christmas gift of 2014. Give the gift of touch + warm fingers. Nanotips turns any ordinary glove into a touchscreen glove in less than 5 mins! Simply Apply, Dry and Use! Nanotips BLACK is for leathers and rubbers. It is built to last in the toughest situations and can last anywhere from 2 weeks to months! Each bottle can treat up to 30 fingers. Nanotips BLUE is for fabrics and other porous materials. It is 90% transparent and 10% bluish tint, each application can last anywhere from 2 weeks to months. A bottle can treat at least 15 fingers! Its the perfect gift for the whole family.