Responsibly made from 100% Eucalyptus Lyocell. TENCEL Lyocell is a sustainably sourced fiber specially made to have zero negative impact on the environment during production. Silky smooth and naturally temperature regulating, TENCEL Lyocell is perfect for hot sleepers or warm temperatures. Delara Eucalyptus Lyocell Tencel Sheets offer superior ventilation to maximize the passage of air and moisture, which helps reduce sweating by keeping your head and body cool throughout the night. The sheets & pillowcases feature quality sewn double-stitched seams to ensure long-lasting durability. TENCEL Lyocell is luxuriously soft and silky, gentle on skin, smooth to the touch, thermal regulating, enhanced breathability, sturdy, and durable.