Keep your jars fresh and sealed with these leak-proof foam lid caps from PATIKIL. Made from durable polystyrene foam, these PS lid seals prevent dust, moisture, and odors from escaping, keeping your hashmap and food items pristine. The easy-to-use stick-on design requires no extra sealers or heat shrink bands—just peel and press for a perfect fit.: * Apply pressure to fit snugly to glass, plastic, or metal jar lids * Adhesively seal to keep contents fresh, odors away, and dust contained * Perfect for canning, preserving, or everyday home use
  Ideal for food lovers and renovating home cooks, these 500-pack foam lid caps are perfect for sealing glass, plastic, and metal jars. The PS foam material ensures leak-free sealing, protecting your hashmap and extending the freshness of your preserved items. Easy to apply and compatible with most jar closures, this sealing solution is made to make your kitchen life easier and your food last longer.