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The 50ml large-capacity roller bottle is made of food-grade transparent glass, equipped with a 1.4-inch plastic roller and a triple leak-proof sealing structure. The bottle body is enhanced with high borosilicate glass technology to enhance heat resistance and corrosion resistance, suitable for high-viscosity liquids (such as lotions/essences), and supports customized services such as silk screen printing and thermal transfer. The screw-on cap design ensures zero leakage during transportation and daily use, and meets aviation carry-on standards.
| Parameters | Specifications |
| Capacity | 50ml (large capacity design, reducing frequent filling) |
| Bottle material | Transparent glass |
| Ball specification | 1.4-inch plastic ball (suitable for high-viscosity liquids) |
| Sealing technology | Triple leak-proof structure (screw cap + inner plug + ball seat seal) |
| Bottle cap options | Black/gold plastic cap (optional) |
| Customized service | Supports silk screen printing, spraying, frosted surface treatment |
| Size | Height ≈ 12cm, diameter ≈ 3.5cm |
Note: The ball needs to be pressed and rolled with appropriate force to achieve uniform liquid discharge, and it is recommended to use tools for disassembly and filling.


