Thank you for viewing. One-touch side release buckle Inner diameter: 11mm Please use it by passing belts or tapes through it. This is a set of 10 buckles only. 29 x 15 x 6mm thick (when closed) Hole: 11 x 3.5mm thick If you purchase multiple items, please comment. We offer a combined discount. Please consult with us before purchasing. We will ship via regular mail or mini-letter (postal letter). Plastic buckle One-touch buckle Side release buckle Buckle Insert buckle Handmade Pet goods