Kuuk Silicone Lids/Food Covers for Cups, Bowls, Mugs etc. Stretch to Fit (Set of 6) Easily keep food fresh with this simple storage solution - KUUK Silicone Stretch lids fit any shape of container that measures between 3 and 10 Versatile kitchen tool - Use your silicone lids for plastic, glass, or pyrex food containers and any mug, jar, or bowl - these lids stretch to fit and then contract to create an airtight seal for any container. Air-tight design guarantees freshness & no spills - Keep liquids in storage stress-free and maintain the freshness of fruit, vegetables, leftovers and more! Eco-friendly & Reusable - Theres no need for plastic wrap or aluminum foil - use this environmentally friendly alternative and youll help the environment while saving money at the same time! Safe and effective for your kitchen - These 6 lids are dishwasher and freezer safe, microwavable, BPA-free and made with 100% food-safe materials.