Our feeding/oxygen tapes come with 20 precut, are made from Hypafix tape and are ultra-gentle on the skin. They are 4in by 1.5 inches each They are waterproof and should last 3-5 days per application. However, everyone is different. Please let us know if you have any questions and we will be happy to assist you. They will come standard with 4 count of each in the themed prints selected **Please note that some variation can occur with colors. Everything is handmade.** **Ink will not run off the tape but may stain directly under the tape as this is porous and breathable tape**