BINPET BA2028 Designer Polka Dots Leather Pet Puppy Dog Collar with Jeweled Heart Pendant Charms and Durable Metal Buckle, Black XL Extra Large 1"*18-22",notice it is the collar size rather than neck size. There are several holes in the collar for length adjust.Please double check the sizes before order. Made of polka dot faux durable leather material with heart pendant and Rhinestone buckle. Highly recommend for to purchase the matching leash together,they are the best combination. Fashionable and personalized designed for your pet,it is perfect for party.