I love Ziploc bags but I was very disappointed by these. They work well for a single use, but after 2 or 3 times the "zip" no longer "locks" and I end up having to remove the little white zipper (if it hasn't already fallen off) and close the bag manually.
Pint Sized Ziploc Fresh Shield Freezer Bags Redesigned bag film
that is Tough Outside and Fresh Inside! Blocks out Air Locks in Freshness Trusted Ziploc Protection Patented Double Zipper Easily ...