There are 3 methods to use this dish drying rack to meet your various needs. You can use the dish drainer on the counter with the silicone drying mat on the bottom. Or set it in the sink and pull out the expandable bars to use it over the sink. Save your counter space and keep it clean and dry.This expandable dish rack over the sink measures 14"L x 6.5"W x 3.3"H, the supporting bars is adjustable from 14” to 19”. With the compact size and expandable design, this small dish drying rack is a perfect choice for small space. WARM TIPS: Please measure the size of your sink before purchase.The silicone drying mat can not only be used to collect dripping water, but also be used separately from the rack to dry fruits, cups and more; while the rack sits on the sink with plates and utensil. A multi-use in sink dish drying rack to maximize your space and create a clean and tidy kitchen.