High-quality food-safe PP material: non-toxic, smooth surface that won't retain odors, discolor, or warp over time - for safe use Specially designed for standard butter bars: Large square container accommodates whole butter bars without cutting, wide opening for clean removal, transparent design for easy visual inspection, perfectly preserves the original shape of the butter Dishwasher-safe design: Easy cleaning in the dishwasher (top rack recommended), special surface treatment makes it easy to remove greasy residue, fully washable container and lid, shape retention for effortless maintenance Integrated 10g square butter pusher: Precise dosage without waste, square edge perfectly reaches all corners, integrated storage prevents loss, right-angled design allows easy removal without sticking Precise closing system: Smart click mechanism effectively protects against air, extending shelf life up to 3 times, dust and moisture proof even when stored sideways, preserving the optimal freshness of the butter