100% brand new and high quality Characteristics: Professional and specially designed for ketone testing, made for quanlitative and semi-quantitative urine analysis. For the medical organization that tests and analyzes the urine specimen. Please read the included user manual carefully before testing for correct operations and accurate results. One set includes 100 pieces of strips and please store it in dry condition if not used yet. Instructions: 1. remove a strip. dip the pad into the urine cup or single stream of urine. 2. Wait exactly 40 seconds and compared to the color chart on the bag. Specification: Type: Ketone Tester Color: like the pictures shown Size: One Size Package: 130x86x15mm(5.12x3.39x0.59in) Quantity: 1 bag (100 pcs) note: 1.1 centimeters = 0.39 inch. 2. Allow 0-1cm error due to manual measurement. Make sure you don't mind before making an offer. 3. Due to the difference between monitors, the image may not reflect the actual color of the item. Thanks! 4. This product has a shelf life of two years and we will ship it according to the latest production date. The package includes: 1 bag x strips (100 pieces) Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 93 hours Hope you have a pleasant shopping experience!