get away from the barking and biting problem with the Humane Basket Dog MuzzleFully adjustable straps Snap-Lock Buckles Extra Loop to connect collar Allows drinking & Panting 5 sizes available for most typesThis Muzzle is the safe and humane way to control random biting, barking and chewing, and train your dogAs behavior in publicDetails: Material: Non-toxic Rubbercolor: Black, graySize chart(Snout circumference, for more details please refer to the 3rd product page):X-Small - 6 in-7 inSmall - 7 in-9 inMedium - 9 in-10 inLarge - 10 in-11 inX-Large - 11 in-13 inAttentions: NOTE: Muzzle length SHOULD NOT be longer than dogs snout length if it is, it can interfere with the dogs line of sightNOTE: Muzzle circumference MUST BE larger than dogs snout It cAN NOT be the exact same size or else the dog will not be able to open its mouth to pantTips: SIZINg] Ensure that the size of the muzzle does not restrict dogs ability to pant andor drinkWEAR under supervision] Do not leave dog unattended while wearing muzzleTIMINg] Dog should not wear muzzle for more than 60 minutes at a timeFRIENDLY INTRODUcTION] Use some treats and toys to encourage your dog to wear the muzzle and accept it in a temperate wayAfter-sale care: gUIDEBOOK] Each package included a detailed guidebook You will find it easily to use under our guidance247 after-sale support] If you have problem with our product, you are welcome to contact us, our customer will always be online to help youLIFETIME WARRANTY] Your product is guaranteed for Life-time Your order ID is the Unique guarantee code for your product If you have any problem with our muzzle, you are welcome to contact us for PRIME After-sale service, we will do our best to make you happy