NASAL STRIPS 1, CE, ISO13485 Approved, 2, work for at least 8 hours 3, package do OEM service. 4, good ... by 31%Material: PE ,Non-woven cloth and filmCapabilities: 1) peel off intensity >1. 0 n / cm 2) air permeation rate >200 ... and other infos, we will give you the best service at the least timeproduct size: 55x18mmpackage: 20pcs/box, 160boxes/ctncarton size ...