Transform your Mason jars into attractive and functional storage solutions with Timber Tops. The included BPA-free silicone gasket creates an airtight seal, locking in freshness. Perfect for spices and other foodstuffs, craft supplies, and more. Bamboo is fast growing and highly renewable, making Timber Tops the perfect choice for your home, and the environment. Available in packs of 3 for wide- and regular-mouth Mason jars.