Stretch Silicone Lids for regular and "wide-mouth" Mason Jars With Pouch. FDA certified food grade silicone. BPA-free; PVC-free; and, Phthalate-free. Versatile - one-size lids fit both sizes of Mason Jars, stretching up to 30%. They also fit just as well over other containers of similar size openings. Cold- and Heat-tolerant and freezer-safe: the lids are functional from -40 to +230 degrees Celsius, (water boils at +100 degrees Celsius). The lids are suitable for freezer-canning with head-space. They are NOT recommended for pressure canning. These lids are durable and easy to clean - they will not tear and can be washed in the dishwasher or by hand. They are air-tight, water-tight, and spill- and shake-resistant. Storage pouch included to protect lids from dust and sharps. Manufacturer guarantees 100% satisfaction or full refund: no questions asked.
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