ISTAD Resealable bag, patterned/black yellow, 34/14 oz - IKEA
Zip-lock bag, gray / white 50's IKEA
Ray Maker on Twitter: "Random: I use IKEA ziplock bags to manage all my cards & related stuff in my backpack, easy to see. They last about 3-4 months before dying. https://t.co/PKY56U48fX" /
Amazon.com: IKEA Istad Plastic Freezer Bag, Yellow/White: Home & Kitchen
IKEA Freezer Bags Versus Ziploc Freezer Bags | The Kitchn