Chubby Gorilla's 16.5mL Aviator Unicorn Bottles are made of premium PET plastic and are optimally durable and easy to use, guaranteeing the secure containment of your liquids. An additional layer of security and peace of mind is provided by the well-engineered leak-proof design's sturdy, child-resistant cap and tamper-evident ring. With a squeezable body that provides a precise, mess-free dispensing experience, these bottles' elegant, adaptable design makes them ideal for storing e-liquids, oils, or other liquid products.