Purple dog harness with lead

Size medium, please see sizing picture for sizes. Size is very important, Please confirm it.
SUPER COMFY: Dual NECK & CHEST ADJUSTABLE straps with SOFT NO-CHAFING sleeves makes this your pet’s favourite harness. 
COMFORTABLE & DURABLE FABRIC: Breathable and Soft.
NON-CHOKING: Won't harm pet's sensitive throat & trachea especially if your dog PULLS or LUNGES. REFLECTIVE threads sewn ALL around ensures safety & visibility at night.
PUTS ON EASILY: Wearing it is a joy for you and your pet. Don't have to LIFT A PAW or step in to put on. Literally CLIP-ON & GO! Taking it off is just as easy.QUICK-RELEASE, HEAVY-DUTY buckles for the ultimate convenience. 
NO-TANGLE: Won't cause lease to tangle, unlike collar types
STURDY SAFETY HANDLE: Gain IMMEDIATE CONTROL of your dog in TRAINING & EMERGENCIES. HELP dog out of water, PHYSICALLY CHALLENGED pets into vehicles or secure to CAR SAFETY BELTS easily. （THE LEAD IS FREE）