Each part was hand crafted individually thus imperfections is to be expected. - Delivery within 3 days. - Custom crafted based on order request. - Chat to request other colors. - Hard epoxy material - No buttons disassembly is required to install. Do not force the parts up over watch buttons. Use double sided tape to hold parts better. - For any DW-002 series G-Shock - Hand craft parts so, minor defects is to be expected. Please keep this in mind. - If the parts break, just let me know. Discounted replacement is available.