skin contact and provide improved low temperature flexibility and improved strength to weight ratio over conventional polyvinyl chloride films for medical uses embodiments of the flexible monolayer elastomer film include styrene ethylene propylene styrene block copolymers seps polyolefin mixtures seps polyolefin ethylene vinyl acetate copolymer mixtures and eva polyolefin mixtures application_number US 47069104 A description the present invention enables the production of disposable medical devices with improved inertness towards medical products stored therein improved flexibility improved gas permeability and improved low temperature storage properties the present invention provides soft plasticized polyvinyl chloride like texture without the use of leachable plasticizers and surfactants the present invention further provides a gas permeable disposable medical device which main remains flexible when stored in liquid nitrogen these benefits are provided by a flexible monolayer elastomer film comprising a styrene ethylene propylene styrene block copolymer seps that is essentially free of leachable materials these benefits are also provided by a flexible monolayer elastomer film that is essentially free of leachable materials comprising an ethylene vinyl acetate copolymer eva and a metallocene catalyzed ethylene octene copolymer the flexible monolayer elastomer film of the instant invention has a soft flexible dry feel similar to that of conventional plasticized pvc medical films the flexible monolayer elastomer film of the instant invention.