Please allow 4-10 business days for our handmade process. Pop Fashion Collars are made to be safe. They feature performance webbing cores, ballistic Kevlar stitching, and premium YKK plastic buckles*. In addition to our durable construction each collar is lined with color coordinated satins for maximum dog comfort, and wrapped with 100s of fashionable cotton prints. They are the best a dog can get. Care Instructions: Machine wash. Air dry. Sizes: Buckle .5”W x 6-10”L Fits Dogs Weighing 10lbs or Less. Buckle .75”W x 10-16”L Fits Dogs Weighing 10-35lbs. Buckle 1”W x 10-16”L Fits Dogs Weighing 15-35lbs. Buckle 1”W x 13-23”L Fits Dogs Weighing 25-100lbs. Buckle 1.5”W x 13-23”L Fits Dogs Weighing 35-100lbs. Buckle 1.5”W x 18-30”L Fits Dogs Weighing 65-250lbs. Buckle 2”W x 13-23”L Fits Dogs Weighing 50-100lbs. Buckle 2”W x 18-30”L Fits Dogs Weighing 75lbs and Up. Martingale 1”W x 10-16”L Fits Dogs Weighing 15-35lbs. Martingale 1”W x 13-23”L Fits Dogs Weighing 25-100lbs. Martingale 1.5”W x 10-16”L Fits Dogs Weighing 20-35lbs. Martingale 1.5”W x 13-23”L Fits Dogs Weighing 35-100lbs. Martingale 1.5”W x 18-30”L Fits Dogs Weighing 65-250lbs. Martingale 2”W x 13-23”L Fits Dogs Weighing 45-100lbs. Martingale 2”W x 18-30”L Fits Dogs Weighing 75lbs and Up. *YKK brand buckles unavailable in 1/2" width Primary product photography is shown in Option: Buckle 1.5”W x 13-23” Handmade in Lexington, MO. USA. Learn More About Us