Core design features
✅ Bottle material
PET: high transparency, strong impact resistance, suitable for displaying contents
PP: translucent/opaque, high temperature resistant (steam sterilizable)
HDPE (optional): economical, suitable for large-capacity bottles
✅ Bottle cap system
Child safety cap: needs to be pressed down and rotated to open (FDA compliant)
Flip cap/lift cap: convenient for one-handed operation
Anti-theft ring: breaks when opened for the first time to ensure sealing
✅ Sealing
Inner pad: PE or tin foil composite film (moisture-proof and anti-oxidation)
Thread specifications: 28mm, 33mm, 38mm (international standard)

Additional function options
Moisture-proof design: built-in desiccant slot or moisture-proof bag
Label area: flat surface/concave surface (suitable for labeling or direct printing)
Transparent window: partial transparent design, visible remaining amount
Portable package: 15-30ml with lanyard or keychain hole