Material: made of polypropylene, more suitable for drinking water and more resistant to acidic water, can serve you for a long service life Prevent Leakage：The IBC Tote Adapter Has A Built-In Large Silicone Gasket, Which Effectively Prevents Liquid Leakage. Practical tool: light in weight, quality in material, easy to apply without additional tools Safe to use: this tote lock is applicable for use with drinking water and other edible things, so you can apply with confidence Applicable occasions: this 2 inch IBC tote fittings can convert 2 inch to 3/4 inch, mainly applied in IBC tote containers and also can be applied for garden hose fittings