【Fresh Butter for Weeks - Airtight Double Seal】 Keeps 280g (10oz) butter fresh and spreadable with innovative double silicone-sealed lid that locks out air and moisture. No more hard, unusable butter - perfect for daily use and home baking 【One-Press Perfect Slices - Sharp Stainless Steel Cutter】 Built-in burr-free stainless steel slicer cuts butter into uniform portions with a single press. Butter stays neatly arranged and ready to use - no crumbling, no mess, no additional tools needed 【Crystal Clear & Food-Safe - Premium PC Plastic】 Made from 100% food-grade PC plastic can be used for serveral times. Transparent design lets you monitor butter levels at a glance and adds elegance to your kitchen 【Universal Fit - Works with All Butter Brands】 Accommodates standard American west/east coast butter (8oz/2 sticks) and European (280g) butter blocks. Compatible with all major butter brands for versatile kitchen use 【Effortless 3-Step Process】 ① Soften butter at room temperature ② Press lid to slice ③ Store in fridge. Non-slip base ensures stability during cutting. Hand wash for easy cleanup Keep your butter fresh and perfectly sliced with the UNIVIVO Airtight Butter Keeper. This innovative storage container features a built-in stainless steel slicer that cuts butter into even portions with one press. The double silicone-sealed lid locks out air and moisture, keeping butter spreadable for weeks. Perfect for home bakers, busy kitchens, and butter enthusiasts who demand convenience and freshness.