Tough material with great instant adhesion! Requires Primer Pen for proper adhesion World’s best quality and colors Bright, visible colors Excellent memory & durability Specifications: Length: 2.0″ Height: .38″ Weight: 3.9 grains Available Colors: Black, Blue, Bright Green, Gray, Fire Orange, Hot Pink, OD Green, Purple, Red, Sand, Sunset Gold, Teal, White, and Yellow