Ideal for coffee shops, home baristas, and commercial kitchens requiring coffee freshness preservation solution 53.5mm aluminum foil coffee lid ensures airtights sealing to in freshness by blocking air,, and light exposure for coffee preservation Featuring adhesive design with 0.01% oxygen permeability, these aluminum foil coffee machine accessories transfer while simplifying application Perfect for sealing opened coffee bags or containers in cafes, bakeries, or home kitchens to maintain flavor integrity between uses Outperforms counterparts with superior oxygen barrier properties, ensuring long term coffee without compromising aromas or taste