This roomy silicone colander expands to fit your sink and collapses for easy storage when not in use. The non-slip handles on the sides rest on the edges of your sink so you can rinse fruits and vegetables, drain pasta and more. Dishwasher safe and heat resistant. Plastic and rubber. Expands from 15 1/2"-24"L x 10 1/2"W. Height adjusts from 1 3/4" to 4 3/4".