400 Thread Count Pima Cotton Pillow Case Set. Treat yourself to luxury with the added comfort and style of this pima cotton pillow case set. The 400 thread count set is available in 6 colors to pair perfectly with any bedroom decor. Matching sheet sets are also available. Pillow case set includes 2 pcs. Standard Pillow Case Pair includes: 2 Standard Pillow Cases: 20" width x 30" length, 2 King Pillow Cases: 20" width x 40" length