Helikon-Tex Neoprene Eyewear Retainer. Colour: Black / Orange. Unit 1, Fourth Avenue. MMG Trading Ltd. Manufacturer's number: AC-NER-NE-0124B. Manufacturer: Helikon-Tex. Material: Polyester 40%, Rubber 23%, Nylon 16%, Polyurethane 10%, PE+PVC 10%, Elastane 1%.