Bowtie-S=2"(5cm) x 4"(10cm),Collar-S=4/5"(2cm) x 10"~16"(25cm~40cm) The material is not stretchy, please measure the neck circumference of your dog/cat before buying. The bow tie is attachable to the collar for dressing up. Each bowtie is attached to collar by using two elastic straps. It is detachable and can be taken off to be used on any other collar. Our patterns are unique and stylish. This will make your dog classy in any circle. The products are made of cotton fabric which is thick and durable. The buckles are made of alloy. This buckle is easy to put on and take off. Metal D-ring can attach the leash and ID tag. Ideal for family photos, wedding, birthday parties, outdoor activities and so on. dog collars are great gift ideas for dressing up your dog.