**Specifications:**
**Brand:** Beishute
**Features:** Super absorbent, leak-proof, effective antibacterial
**Variants:** 420, Beishute, Haomeng, Mianmian
**Antibacterial Efficacy:** Laboratory data shows antibacterial effects against Staphylococcus aureus, Escherichia coli, and Candida albicans
**Collaboration:** Exclusive sanitary pad brand for China's aerospace industry
**Usage:** Recommended for monthly use, 8-hour antibacterial protection
**Sizes:** 290mm, 350mm, 420mm
**Materials:** Velvet, pure cotton, cotton soft
**Levels:** Regular, disinfection, medical care
**Scenarios:** Suitable for heavy flow overnight use
**Patent:** ZL202022821034.0 for antibacterial properties
**Additional Features:** Ultra-thin, cotton soft, patented super absorbent core, honeycomb breathable structure, chitosan extract for antibacterial effect
**Certification:** Patent certificate number 16324069
**Patent Holder:** Beishute (Tianjin) Hygiene Products Co., Ltd.
**Patent Application Date:** November 30, 2020
**Patent Authorization Date:** April 19, 2022
**Patent Validity:** 10 years from the application date
**Note:** The information provided is based on the product specifications and patent details for Beishute sanitary pads.