Applicable bottle mouth:
Standard caliber: 24/410, 28/410, 33/400, etc. (non-standard sizes can be customized)
Thread type: smooth/anti-slip thread, snap-on type
Material:
Main body: PP (polypropylene), HDPE (high-density polyethylene)
Optional silicone sealing ring (food grade/chemical resistant)
Opening and closing method:
Flip cap (upward), slide cap (side push), screw cap (inside and outside double cap combination