Lego minifig compatible Custom SDT ESS(Eye Saftey System) Goggles. These Goggles fit on all BrickArms Helmets and Boonie and SDT Boonie, and Marine Cap and are made from a elastic rubber material which allow a level of stretching(PLEASE NOTE: Excessive stretching).
The ESS Goggles are not suitable for the SDT Helmets that have the railing for the ANIVS9 Night Vision Googles(PT2002, MT2002 and IBH).

(PLEASE NOTE: Although designed to be flexible, excessive stretching of this product will cause it to break)