Bedding Size Guide https://www.pandasilk.com/ Here is PandaSilk.com bedding size chart, dimensions for duvet covers, bed sheets (fitted sheets, flat sheets, bed skirts), pillowcases, blankets & comforters. For nighties/ sleepwear, there is no standard size chart, different SKUs and different manufacturers have different size charts.
Duvet Cover
Twin 67"W × 87"L
+ 2.75"
Full 76"W × 87"L
+ 2.75"
Queen 87"W × 90"L + 2.75" King 104"W × 92"L + 2.75" California King 110"W × 96"L
Flat Sheet
Twin
66" × 96"
Full
81" × 96"
Queen 91" × 102" King 108" × 102" California King 102" × 110" Twin 39"×75"+15" Full 54"×75"+15"
Fitted Sheet
Queen 60"×80"+15" King 78"×80"+15" California King 72"×84"+15"
Bed Skirt
Twin
39"×75"+14"
Full
54"×75"+14"
Queen 60"×80"+14" King 78"×80"+14" California King 72"×84"+14"
Housewife Pillowcase Oxford Pillowcase Blanket
Queen 20"×30" King 20"×36" Queen 20"×30" + 2" King 20"×36" Twin 66"×90"
+ 2"
+ 2.75"