Syringe Caps for Pets fit Slip leur and Lock luer PURPLE Perfect for pre-measuring pets liquid medications and storing for travel Purple oral syringe caps, Slips securely on tips of syringes to elimate leakage Purple cap, Self Righting design for single handed capping Will fit MOST Oral syringes 1cc, 3cc, 5cc SLIP LUER & LOCK LUER Syringe end Cap in various colors for simple color coding samples or medications