Adjustable Size: puppy bow ties size is 5 x 9 cm/ 1.97 x 3.54 inches, collar pattern size is 9 x 9 cm/ 3.54 x 3.54 inches, rhinestone flower size is 7 x 4 cm/ 2.76 x 1.57 inches, adjustable size is 22-36 cm/ 8.66-14 inches, can easily adjust the right size according to the size of the pet, suitable for most small and medium sized pets, please measure your pets neck circumference before ordering, so that your pet has a comfortable wearing experienceMaterial Information: the dog bowtie collars are made of quality polyester material, lightweight