The outer layer of this band-aid is waterproof PE material, the middle of the inner layer is a small piece of absorbent pad. It can compress and stop bleeding, protect wound surface, prevent infection and promote healing. The size is2.83- x0.75- (72*19mm). If you need other shapes or sizes, please contact us. Custom logo is welcomed! No matter what you wish to imprint a logo, design, or message this bandage can handle it. These items are unique because your ad will actually be on the customer! 72mm L x 19mm W Measuring 2.83*0.75 inches, this custom customizable pattern bandages. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: Portable, durable, practical for daily use.