The down filled pillows are 1700g pillows with 233TC down proof fabric outer. 4590gsm firm down-like fillings provide extra comfort for the head and the neck when lying down. The down pillows are great with bounce and can quickly absorb body humidity. White double piping design looks modern and is durable to use. All these features make pillows filled with down the most common choice to allow guests to have sweet sleep during the night.