Material: Nylon 66, 94V-2 certified by UL. Heat and erosion resistant, Insulating, durable and not apt to age. Product Specifications: 7. 6x150mm 7. 6x200mm 7. 6x250mm Colors: White, UV black, other colors are available as requested. Packing: 100pcs/polybag + labels Features: Easily assembled by hand, remain securely locked until inten tionally released by operating the finger catch.