12 pk. smooth sided regular mouth. For preserving food and crafting. Pure glass protects flavor. Life Durable Glass - will not stain or absorb odors. Glass is dishwasher safe. American made glass since 1905. Regular Mouth: Half Pint (8 oz). Ideal For: Fruit syrups, chutneys and pizza sauce. Regular Mouth: Pint (16 oz). Ideal For: Jams, jellies, conserves and preserves. Regular Mouth: Quart (32 oz). Ideal For: Vegetables, salsas, sauces, relishes and pie fillings. Regular Mouth: Jelly Jars (8 oz). Ideal For: Sliced fruits and vegetables, pickles, tomato-based juices and sauces.