This 31 in. premium quartz bathroom vanity top features a 3/4 in. thick solid plate structure, standard 31 in. W x 22 in. D overall dimension and 4 in. high integrated backsplash, perfectly fitting most conventional 30 in. W x 21 in. D bathroom vanity cabinets for seamless installation. Adopting high-quality engineered quartz material with dense non-porous texture, the vanity top delivers excellent stain resistance, heat resistance and waterproof performance, effectively blocking water absorption, daily dirt adhesion and bacterial breeding to maintain a hygienic using environment. It comes with a pre-drilled single faucet hole to match mainstream single-hole faucets and eliminate tedious self-drilling work. Built with an undermount single middle bowl sink, it forms a seamless integrated structure that avoids edge water accumulation, simplifies daily cleaning and brings smooth operation experience. The 4 in. backsplash effectively blocks water splashing to protect walls from moisture damage and reduce cleaning dead corners. Polished with exquisite craft, the surface owns delicate natural vein texture to adapt to various bathroom decoration styles. The sturdy quartz material resists daily scratches and high-temperature erosion, supporting long-term stable use with minimal daily maintenance. Slight color deviation may occur due to different lighting and screen display effects. Cabinet and faucet are not included.