This 100% Bamboo from viscose woven at 600 Thread Count per square inch are the softest sheets on this planet. You cannot resist this bamboo silky feel once you try it. Our 100% bamboo sheets are acknowledged for their natural softness, durability, and breathe ability. This luxury sheets of the highest thread count in bamboo are temperature regulated and suits you well all four seasons. They will keeps you warm during extreme winter and cool in warmer hot months. This sheet set includes flat sheet, fitted sheet and pillowcases. •Abripedic Brand •100% Bamboo Viscose Sheet Set•600 Thread Count, Single-Ply Construction•Temperature-Regulated•Fitted sheets made with elastic all around and fits mattresses up to 18".•Machine-washable Cold WaterAvailable Sizes Include:•Queen Set Includes 4-Piece: One Queen Flat Sheet 92" wide X 102" long, One Queen Fitted Sheet 60" wide X 80" long Fit up to 18" mattress deep & Two Pillow Cases 20" wide X 30" long each.•King Set Includes 4-Piece: One King Flat Sheet 110" wide X 102" long, One King Fitted Sheet 78" wide X 80" long Fit up to 18" mattress deep & Two King Pillow Cases 20" wide X 40" long each.•California King Set Includes 4-Piece: One Cal-King Flat Sheet 110" wide X 102" long, One Cal-King Fitted Sheet 72" wide X 84" long Fit up to 18" mattress deep & Two King Pillow Cases 20" wide X 40" long each.Care Instruction Machine Washable with COLD WATER ONLY, Delicate cycle with mild detergent. No bleach, Dry this 100 Bamboo sheets with Low Setting , it is Not preferred to iron bamboo sheets but in order to limit wrinkles to the minimum, we recommend to put your rayon from bamboo sheets on your bed right after pulling them out from your dryer.