Bass Bio-Flex Alloy Style And Detangle Brush Oval For Over 40 Years, Bass Has Designed Luxury Grade Brushes With An Emphasis On Natural Sustainable Materials. The New Bio-Flex Is The Result Of That Continued Commitment. Amazingly, The Entire Handle Is Made From Plant Starches. Its Durable Enough To Last For Years With Optimal Performance And Its Extremely Affordable! When You Finally Discard It, Its Certified 95% Bio-Degradable! With Flexible Pins And A Unique Fluid Design, Its A Perfect Tool To Effectively Detangle The Hair, Wet Or Dry, And Pairs Beautifully With Your Other Bass Brushes.