Prep Solutions by Progressive Clip 'N Date The adjustable month and date wheel on our Prep Solutions by Progressive Clip 'n Date helps you keep track of how long bags have been open to ensure lasting freshness The super strong spring holds the clip extra tight to seal in freshness The non-slip grip keeps the clip securely on bags This clip measures: 3.25"L x 5.5"W x 1.5"H Hand washable Only