Most twist lock caps are made of polyethylene terephthalate (PET), which is a popular material for packaging bottles and containers. They are high-quality, durable, and eco-friendly. Some twist lock plastic caps are made from high-quality, and resistant to any metals.
These twist lock caps are perfect for sealed, glass bottles are lightweight and have a low-impact on the product's function. They are made of black screwed caps, or glass screwed caps, and prevent lids from leaking out potential this product is a great option when you buy in bulk.