Ball, 3 Pack, 8 OZ Plastic Freezer Jar, Easy To Use, Ideal For Freezer Jam, Freezing/Refrigeration Of Leftovers, & Storing Fresh Fruits & Veggies, Measuring Lines Provide Accurate Portion Control, Designed With Everseal Technology, The Flexible Lid Structure Eliminates Leaks, While The Soft Touch Rubber Makes It Easy To Put On & Take Off, Easy Seal & Effortless Lid Removal, Fill Lines Allow For Exact Portion Size & Help Determine Liquid Levels For Expansion During Freezing, 100% BPA Free, Dishwasher/Freezer Safe.