This bathroom sink drain repair kit can be flexibly assembled into a P-trap kit or an S-trap drain kit. It is suitable for most sink drain pipes with a diameter of 1-1/4 in. Whether the sink needs to be connected to the wall or the floor, it can be perfectly adapted. The kit is designed with the user's needs in mind, making the installation and removal easy and convenient. It also comes with detailed installation instructions and intuitive diagrams, allowing even users with no experience to easily complete the DIY installation and completely eliminate concerns about sink drainage. It includes various components such as J-bend pipes, wall bend pipes, slip joint extension tubes, slip joint nuts, and washers. In most cases, whether it is to repair the problem areas of the bathroom and kitchen drain systems or to connect the drain pipes of the lavatory, utility sink, laundry tub, or kitchen sink, you only need to purchase this complete 15-piece kit without having to buy other drain pipe fittings, effectively saving costs. Moreover, it uses high-performance TPE slip joint washers. When installing, you only need to tighten the slip nuts by hand to achieve a leak-free connection. In terms of materials, high-quality engineering polyvinyl chloride plastic is selected, which can withstand extreme water temperatures, resist alkali, and prevent cracking, ensuring long-lasting durability and providing reliable drainage protection for your kitchen or bathroom.