Premium Quality Organic Materials. Greenzla sources the finest organic materials to produce toothbrushes with charcoal-infused bristles that are safe on teeth and gums. Ergonomic and Cost-Effective. Made with maximum comfort in mind the strong yet supple design is gentle in your palm. Each toothbrush in the 12-pack also has a long life span of up to a year making this deal easy on your teeth and easy on your pocket. Natural Inside and Out. Every Greenzla product is carefully packaged in 100% natural materials that can double up as a unique gift for a loved one. Easy on the Environment. Our zero-waste principles mean that all our toothbrushes are 100% natural. With the efficient growth rate of bamboo as well Greenzla has tapped into the greatest source of sustainable materials to create a loyal customer base of eco-warriors.