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• The lid has grooves so that small items in the parts tray do not come out of the tray.
• Parts trays sold separately can be customized according to the contents. (See related products below for details.)
• Polypropylene (PP): Similar to polyethylene in appearance, but the stiffest and toughest. It also features a specific gravity of 0.9~0.92, which is the lightest among general-purpose plastics. The heat resistance is high, about 110°C. It is also highly insulating and resistant to chemicals.