Mean Streak Permenant Marking Stick, White, Bullet Tip, 12 Count no checkout Bacteriostatic additive refill Eyewash unit should Bacteriostatic additive refill Eyewash unit should be inspected regularly and water in unit should be changed at least once every six months One 8 oz bottle will preserve up to 20 gallons of potable water for up to six months Built with durable thick 15 oz #10 cotton canvas Reinforced wrapped handle and bottom panel to help with carrying extra weight 24 pockets of various sizes to help organize your tools and accessories 8 large pockets and 16 medium pockets twist up container Marking sticks mark on dark surfaces and write on most surfaces Specially formulated to mark on wet and oily surfaces Extra bold tip marks dark surfaces with an opaque line Waterproof formula resists fading and adheres to virtually any surface Easy to use