2 NEW 30 oz SPILL PROOF Lid For Yeti, RTIC and Other Tumblers, no NO LEAK Splash Proof Replacement Tumbler Cup Lids - Locking Closure - by BAYZI EASY TO USE: Open the protective cover to preheat the by pressing 7 seconds before using, then simply slide it along the edge of any bag and it's sealed airtight. HIGH QUALITY - ABS material, resistance to high and low temperature. Durable and Compression. Elegant compact design: It can easily be stored of the fridge door because it has a magnetized base, it takes up little space. Heat Sealer will easily reseal original plastic bags so food will stop being exposed to dust and bacteria. Creates airtight seal and prevent your food from tasting bland and stale and lock in freshness and flavor. Saves you time and money.