Custom sized, measure your current collar from the buckle to the current hole you buckle in. Your beloved pets name will be centered on the back of collar, spikes can be added i have 1 inch and 1/4". Pick the color from the alphabet and numbers and the designs are self explanatory just tell me which you would like. With spikes will be 55$ and just name and designs will be 45$. Handmade, stainless steel hardware! Available in black and multiple shades of brown.