Handmade Bowtie: Each bowtie is hand-sewn and made of 100% cotton. Unlike most bowties made for dogs, these are traditional double bowties. Each bowtie is attached to collar with an elastic strap. The bowtie can be attached to any collars without any alterations to the collar itself. Plastic buckle: The buckles are made of eco-friendly plastic. The D-rings are made of stainless steel and welded for great strength and durability.Both are durable. Fabric: Each collar is made of 100% cotton fabric which does not damage the skin of dogs and cats. Washing: Bowties are not machine-washable but can be removed from collars and rinsed with water and mild soap. The collar is machine-washable. [Attention]:Please make sure to measure the neck size of your pet before you purchase. Please contact us if you have any questions regarding the collar. These are hand-made collars, made of 100% cotton fabrics, which do not damage the skin of dogs and cats. The bowtie can be attached to any collar without any alterations to the collar itself. Bowties are not machine-washable but can be removed from collars and rinsed with water and mild soap. With unique designs, our products are suitable for occasions such as daily wears, picnics, weddings, parties. We are committed to making high-quality, distinctive products. Please measure the size and width of your pet's neck before ordering to ensure the best fit.