... and fingers from contacting with bacterial. 6.Natural polyethylene does not contain any element of allergic reaction to human skin, ... use.2.Available in low and high density polyethylene. 3.Light, breatheable, dustproof and waterproof. 4.Suited to food processing ... . They are waterproof, preventing ache, alkaline, oil, bacilli, light. Better feeling, cheaper price, they are really ideal and economical ...