8 month protection waterproof collar. Protects against and kills fleas, ticks, larvae, lice, and mosquitoes.Your pet can wear it in the pool or while taking a bath or in the rain. Harmless to your pet while it protects them 24 hours a day. fits all size dogs and cats. If its to long just cut it. chose among 5 different collars for your cat or dog. Shipping is 4 to 7 business days.