Namsan Puppy Dog Pet Doggie Cats Leather Collars Necklaces With Lovely Heart Charm Bling Crystal (black,blue,pink,red,rose) &(XS ,Small, Medium, Large) Neck size S 7.9 -- 12.1 " ( 20--30.5 cm),Adjustable, fits for most puppy and cats ,Easy to wear and remove Real Leather material,soft and not stiff, with very lovely heart charm Could be as a decoration, let your dog more attractive Suggest FBA Service for you: 30 Days Money Back Guarantee And Simple return About Delivery: FBA(Fulfillment By Amazon) can 1 day delivered.,FBM(Fulfillment By Merchant) usually 7-14 days, not as Amazon shows: 14-28 working days.