Proof Freshness: Food grade sealed structure with grinding cores prevents humidity damage, specially designed for high humidity regions like Southeast Asia Effectively avoids clumping in damp conditions Ergonomic Grip: 100ml capacity with nonslip textured surfaces ensures comfortable 1 handed operations Portable PET construction solves heavy glass grinder issues, making it elderly friendly Travel Friendly Compliance: Meets Europe and America food standards with detachable grinding components for airport security Business travelers can conveniently carry these compact grinders worldwide Clear Visibility: The 100ml PET peppers grinder features a clear designs for easy seasonings levels, solving traditional grinders ' opacity issues Ideal for kitchen counters or outdoor camping with its portable size and clear content display Adjustable Grinding: Manually rotating the knob to switches between coarse sea salt and fine peppers powder without disassembly Perfect for steak seasoning or salad dressing, meeting both professional chefs ' and home cooks ' needs