Advanced tip design ,with double-bevelling to ensure easy vein puncture with minimum trauma Color-coded easing cap allows for easier identification of cannula size. FEP catheter , latex free,kink resistant;With injection port and wings; Suitable for pets, small animals, etc., only for one-time use. Durable quality: Made of high-quality neoprene material, the cannula is durable and easy to clean. Convenient to carry: Small and light, easy to carry. it can be used for a long time without taking up too much space. Packing list: 22G,30PCS.