The evolution of storage bags!Stasher is a patented, award-winning design that is eco-friendly, environmentally safe, and long-lasting.Designed in California, USA, Stasher bags are made of 100% pure platinum grade silicone — a standard even higher than food grade silicone, passing all U.S. safety requirements and even tougher European standards.These bags are:– Non-toxic– Dishwasher, freezer and microwave safe– Endlessly reusable– Equipped with a Pinch-loc™ sealSnack bag: 4.5" (11.4cm) x 7.5" (19cm) x 1" (2.5cm) / 9.9 fl. ounces (293.5ml)Sandwich bag: 7.5” (19cm) x 7.5” (19cm) x 1” (2.5cm) or 15 fl. ounces (450ml)Half Gallon: 10.25” x 8.25” x 1.5” / 64.2 fl. ounces (1.9 litres)Stand Up: 7” x 8.5” x 3.5” inches / 56 fl. ounces (1.6 litres)