Tobison cotton pillowcases. Shades of grey & blue-green teamed with graphic motifs conjure up a contemporary visual look for these Tobison pillowcases. Tobison pillowcase: Square & oblong pillowcases: repeating print front & back, plain bolster case.100% cotton: densely woven, 57 threads/cm², the higher the thread count, the higher the quality of the weave. Washable at 60°C. The Oeko-Tex® label guarantees that the items tested & certified do not contain any harmful substances that could be detrimental to health.. Size to order:oblong pillowcase (50 x 70cm): square pillowcase (63 x 63cm): bolster case (85 x 185cm):