Features a construction of 100% viscose from bamboo woven. Our bamboo pillowcases provide a soft sanctuary for your head every night. This bamboo pillowcases set is available in a variety of different solid colors to complement your bedding look and style. These cases will-deserved pleasure for your softness.- 100% Bamboo Viscose - Super Silky-Soft Bamboo Pillow cases- Hypoallergenic, temperature regulated- Highly resistant to dust mites- Extremely comfortable in all seasons- Made from highly sustainable fibers- Machine-washable Easy Care Check Care Instructions!Available Sizes inlcude:- Standard Pillowcase Set Pair Standard Pillowcases 20" wide x 30" long each. - King Pillowcase Set Pair King Pillowcases 20" wide x 40" long each.Care Instruction Machine Washable with COLD WATER ONLY, Delicate cycle with mild detergent. No bleach, Dry this 100-Percent Bamboo Pillowcases with Low Setting, it is Not preferred to iron bamboo. However, in order to limit wrinkles to the minimum, we recommend to put your bamboo sheets on your bed right after pulling them out from your dryer.