PURCHASE SUGGESTIONS: Please be sure to measure the size of the round pipe before purchasing (only suitable for round pipe diameter 18-28 mm). Please note that the sink box only fits round pipes, not square pipes. ADJUSTABLE SIZE & EASY TO INSTALL: Our sink organizers don't need tools or drill holes. Align the tray with the buckle and tighten it to complete the installation. It only takes about 30 seconds to install, which is very simple and fast. In round faucets 18-28 mm in diameter, the tightness can be adjusted by the nut. SAVE SPACE & MULTIFUNCTIONAL: Measures 11.1"(L) x 4.4"(H) x 2.1"(W). The compact size doesn't take up space on your kitchen tabletop or bathroom. Perfect for placing sponges, towels, rags, hand sanitizers, soaps and more in the kitchen or bathroom. DRAINAGE DESIGN: Hollow out design makes faucet sponge rack can drain water quickly, no matter be in kitchen sink to hang dishcloth to receive sponge brush, still be in the bathroom to hang towel to receive bath things to avoid water to stay away from dirt. HIGH QUALITY CARBON STEEL: Made of ABS plastic + carbon steel, it is rust proof, durable, scratch and deformation resistant, and has strong load-bearing capacity, which ensures that this kitchen sink receiver can be used for several years.