Plastic Spout Caps (also known as Yorker Caps) feature a cone shaped top. The spout cap can come unlined or lined. It also has ribbed sides. We have red sealer tip spout caps in stock. Diameter sizes range from 18mm to 38mm in the colors natural, red, yellow, silver, along with various other colors. Spout caps are great for dispensing viscous products such as condiments, sauces, oils, syrups, glues, paints, and more.