Collar Size Chart ----Find Correct SizeXS - 5/8" x 10"-12", suitable for small puppy young dogs S - 3/4"x 12"-16", suitable for small dogs M - 1.0" x 14"-20", suitable for adult medium breeds and young large dogs L - 1.0" x 16-24",XL - 1 1/4"x(18-28") suitable for adult large breeds and macho dogs Features ----- Ideal Personalized Dog CollarsCollar Material - Premium reflective nylon <br>Neoprene Padded - Comfortable soft inner padded, protect dogs' sensitive fur On Collar ID Tags - Stainless steel nameplate for a long term use Clear Text - Up to 4 lines customized text, all characters are etched by laser, personalized text are readable. For size S, 3 lines will be better. Durable Buckle - The plastic quick release buckle is created by BPA Free ABS, super durable and agile Rust Resistant D Ring - Stainless steel lead attaching D ring is made of stainless steel, sturdy and strong Various Color for Boys & girls - Black, Navy Blue, Light Blue, Orange, Purple, Pink, Red Package Including: 1 Collar & 1 slide on ID Tag