SHIPPING USA: Shipped by ePacket (USPS), which takes 7-12 days to arrive. Other countries: Shipped by China Post Air Mail, which takes 15-40 days to arrive. Over 2kg: Shipped by FedEx, which takes 3-5 days to arrive. Product Description: If you need different colors, please leave a note---choose ten colors, we will offer 10 pcs/color, or it will be random Dimensions:Length: 1.5 inch (4cm) Inside Width: 3/8 inch(1.2cm) Great Quality, Strong Buckles. This buckle can be used for collars, belts, harnesses, backpacks, etc. The smooth design of the plastic side release buckles disguise its strength and durability