Disposable insoles in sizes 39-40

▸ Material structure: breathable non-woven fabric + shock-absorbing sponge composite layer
▸ Applicable size: 250-260mm (39-40 sizes)
▸ Thickness specification: ≤3mm ultra-thin design
▸ Functional characteristics: sweat absorption and anti-odor treatment | Arch support
▸ Packaging unit: single and double independent sterilization and packaging