DescriptionMade of high-quality nylon material, breathable, elastic, and can be used for a long time. Reasonable design provides good fixing performance. It is suitable for all kinds of dust masks, protective face masks and nasal mask products, oral and nasal mask devices, gas masks, dust-proof universal filter masks and all 4-point fixed mask products.Features-Material: Nylon. -Size: About 50.00X13.00X0.40cm/19.65X5.11X0.16inch. -Scope of application, dedicated for four-point ventilator. -Can help to fix the mask and prevent it from moving. -Strong and durable, wear-resistant, not easy to break. -This respirator fixator is durable and practical for long-lasting use. -Exquisite workmanship, ensure its popularity and utility.