Breathable Mesh Thin Cotton Fabric: --- More cool. very suitable use in summer. Effectively prevent the dog from mating freely and caused to pregnancy in estrus preserve sanitation and health prevent bacteria. viruses and other contaminants from entering the body and causing infections and diseases. Adjustable waist: --- They are more comfortable when walking. Elastic edges and waist elastics provide security and comfort. Not slip off when run or walk. Convenient and Economical: --- 2 pack of Sanitary pants. and each hygienic panties are packed with 3 spare pads.In addition. you can put women"s spare pads to hygienic panties. About Shipping: 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.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.