【Queen Size, 30x20 Inch Dark Gray Pillowcases】A set of two pillowcases, designed in an envelope style, without the need for zippers. Surface is soft and breathable, great for relaxation and rest. Set weighs of 0.39 pounds 【Cool and Breathable】Made from 80gsm artificial simulated silk polyester, these pillowcases are cooler and more sweat-absorbent than cotton. An ideal choice for individuals desiring comfortable, dry nights without overheating 【Silky Smoothness】High-quality fabric feels like silk, employing a plain weave technique that accentuates the pillowcase's softness and smoothness. Reduces friction against hair and skin, offering a gentle sleeping experience 【Easy to Clean】The pillowcases are machine washable. Avoid bleaching and tumble drying; instead, air dry naturally. Before air drying, flatten the pillowcases to reduce the likelihood of wrinkles after drying 【Product Video】