Product Name: Disposable Cap Protective Disposable Water Resistant Cap Cover Model NO.: 18cm, 21cm, 24cm Type: Cap Usage: Sanitation Workers Function: Breathable, Durable, Waterproof, Anti-Bacterial Material: Polyester Age Group: Adults Season: Spring & Autumn Trademark: TOPLY Transport Package: Individual Package Specification: 600mm*410mm*490(50pcs/pack) Origin: Wei Hai Product Description Product Name:l Disposable CapSize:18cm, 21cm, 24cm/7-inch, 8-inch, 9-inch, tolerance range: ±5%Color:WhiteSuitable Environments:For workers in hospita and clinic settings.Product features:Water Resistant, Anti-Static, Breathable and Dustproof.Warnings:Non-sterile. Single use onlyShelf Life:2 Years10pcs/pack PE bag10pcs/pack,50pack/box SIZE:600mm*410mm*490 Q1: Can Ihave asample first ?VMED:Of course !Sample are availableQ2: Do your company have any quality management system such as ISO, EN or CE certificate(s)?VMED:Yes, Our company has implemented astrict quality management system (QMS)and our main products have passed CE certification of European Union (EU) and FDA registration of USA.Q3: How does your factory do regarding quality control?VMED: "Four Steps" QC:(1) Workers self inspecting,(2)workshop inspector inspecting,(3)packing inspecting(4) finished goods random inspection in warehouse before delivering.For new orders, mass production samples will be sent for your confirmation on quality for double insurance. Mass production pictures/video available for your reference.Q4: What the expiration date for disposable non-woven products?VMED:We suggest 2years of shelf storage