Basic parameters
Capacity: 15ml (standard packaging, ±0.5ml error)
Material:
Bottle: transparent/black/brown glass (UV protection)
Bottle cap: plastic (ABS/PP) or metal electroplated cap (gold, silver, etc.)
Dimensions (typical range):
Total height (including cap): 6.5~8.5cm
Bottle diameter: 2.5~3.5cm
Bottle mouth diameter: 13~15mm (standard nail polish bottle mouth)
Bottle mouth thread: common 13/415 or 15/415 (need to match the brush head)
Weight: about 30~50g for an empty bottle (heavier glass, lighter plastic cap)
Key design features
✅ Brush head design:
Standard nylon/fiber brush head (length about 1.5~2.5cm)
Bristle density optional (fine type suitable for delicate application)
✅ Sealing:
Lined with PE or PTFE gasket (leak-proof, anti-volatile)
Some bottle caps have inner plugs (enhanced sealing)
✅ Bottle bottom design:
Flat bottom or slightly concave bottom (stable placement)
Area for screen printing/labeling
Production process and compatibility
Glass type: soda-lime glass or high borosilicate glass (solvent resistant)
Packaging: usually fixed with shrink film or paper card
Common uses
Nail polish, nail polish glue
Water-based nail painting liquid
Professional products for nail salons
Small batch custom makeup