This product is over sized and ships on LTL trucking services to ensure safe arrival. Shipping cost validation & adjustment maybe necessary to account for remote area, limited access, residential, no loading dock types of situations【11.81X 11.81 X 1.18 Inch Quartz Stone Countertop】The quartz stone countertop features a standard size of 300 X 300 X 30 mm and weighs approximately 6.48 kg (14.29 lbs). With a solid thickness and stable structure, it is suitable for a wide range of residential and commercial applications【Premium Quartz Material】Made from high-quality quartz stone, this countertop offers natural, delicate textures and long-lasting, color-stable performance. It delivers a refined and elegant appearance while balancing aesthetics and functionality, meeting modern design expectations【Safe & Durable Performance】The surface is clean, hygienic, and safe for direct use in kitchen environments. It is stain-resistant, ensuring peace of mind in daily use and easy cleaning and maintenance【Scratch & Wear Resistant】Featuring high hardness, the quartz stone surface is resistant to scratches and abrasion and is not easy to scratch. It maintains its appearance over long-term use, offering excellent durability for high-traffic and frequently used spaces【Multi-Scene Custom Applications】Supports customization in various shapes and sizes. Ideal for kitchen countertops, islands, staircases, outdoor wall panels, carved decorative elements, wall cladding, and Roman columns. Available in rich colors to suit diverse design styles and project needs【Product Video】Video Instructions link: https://youtu.be/5VxlkMq2fmA. You can also search "18773 quartz countertop kitchen sink 30 mm 1 5 inch custom" on youtube to locate the video.