Size	Duvet Cover + Pillowsham/Pillowcase Size	Suitable size of duvet insert + pillow
Twin	Duvet Cover (68" x 86") + Pillowsham (20" x 26")*2	66" x 84" + 20" x 26"
Twin XL	Duvet Cover (68" x 90") + Pillowsham (20" x 26")*2	66" x 88" + 20" x 26"
Full	Duvet Cover (80" x 90") + Pillowsham (20" x 26")*2	78" x 88" + 20" x 26"
Queen	Duvet Cover (90" x 90") + Pillowsham (20" x 26")*2	88" x 88" + 20" x 26"
King	Duvet Cover (104" x 90") + Pillowsham (20" x 36")*2	102" x 88" + 20" x 36"

Size	Comforter + Pillowsham Size	Suitable Size of Pillow
Twin XL	Comforter (68" x 90") + Pillowsham (20" x 26")*2	66" x 88" + 20" x 26"
Full	Comforter (79" x 90") + Pillowsham (20" x 26")*2	77" x 88" + 20" x 26"
Queen	Comforter (90" x 90") + Pillowsham (20" x 26")*2	88" x 88" + 20" x 26"
King	Comforter (104" x 90") + Pillowsham (20" x 36")*2	102" x 88" + 20" x 36"

Size	Flat Sheet + Fitted Sheet + Pillowcases Size
Twin	Flat Sheet (96" x 66") + Fitted Sheet (39" x 75"+16") + Pillowcase (20" x 30")*1
Twin XL	Flat Sheet (102" x 66") + Fitted Sheet (39" x 80"+16") + Pillowcase (20" x 30")*1
Full	Flat Sheet (96" x 81") + Fitted Sheet (54" x 75"+16") + Pillowcase (20" x 30")*2
Queen	Flat Sheet (102" x 90") + Fitted Sheet (60" x 80"+16") + Pillowcase (20" x 30")*2
King	Flat Sheet (102" x 105") + Fitted Sheet (78" x 80"+16") + Pillowcase (20" x 40")*2
California King	Flat Sheet (108" x 102") + Fitted Sheet (72" x 84"+16") + Pillowcase (20" x 40")*2

Size	Quilt + Pillowsham Size	Suitable Size of Pillow
Twin XL	Quilt: 68"x90", Pillowsham (20" x 26")*2	20"x26"
Full	Quilt: 80"x90", Pillowsham (20" x 26")*2	20"x26"
Queen	Quilt: 80"x90", Pillowsham (20" x 26")*2	20"x26"
King	Quilt: 104"x90", Pillowsham (20" x 36")*2	20"x36"
Cal King	Quilt: 104"x98", Pillowsham (20" x 36")*2	20"x36"