Strap For Casio GST-B400 Steel Heart Quick Release Rubber Lugged Strap Features: 1. Made of high quality silicone and stainless steel metal buckle. 2. Easy to install and remove, stylish, soft and comfortable to wear. 3. No tools required. Easy to install and remove, no tools needed. 4. Perfect replacement strap for your watch. 5. Quick release design, free to install and remove the wire strap by hand only. Specification: Material: Rubber + Stainless Steel Buckle Bezel: Rubber Ring Model/Steel Ring Model Buckle: Silver Buckle/Black Buckle/Gold Buckle Long Strap: 138+83MM Thickness: About 3MM Compatible: Only For GST-B400 Series Package Included: 1*Bracelet Note: 1. Please allow 1-3mm error due to manual measurement. Please make sure you don't mind before ordering. 2. Please allow 1-3g weight error. Please make sure you don't mind before ordering. 3. Due to different lighting of photos and differences in monitors, the pictures may not reflect the actual color of the object. Please make sure you don't mind before ordering, thanks