Sweetheart dog collar, Small dog collar, Hot Pink dog collar, Girl dog collar, cute dog collar, Dog collar, pretty dog collar, Adjustable collar, Unique dog collar, Handmade dog collar, Pink dog collar, Heart Pattern - Small Dogs - Neck 10 to 15 Inches - 15mm Width - Since Dogs come in all shapes and sizes, we recommend you measure your pooch so you get the right size. We recommend you use a seamstress tape measure. If you don't have a seamstress measuring tape, mark the measurements on a piece of string and measure against a ruler or rigid measuring tape.