Help with sizes

SIZE	METRIC	FEET & INCHES	AVAILABILITY
Single mattress	90cm x 190cm	3' x 6'3"	Stock item
Small Double mattress	120cm x 190cm	4' x 6'3"	Stock item
Double mattress	135cm x 190cm	4'6" x 6'3"	Stock item
King mattress	150cm x 200cm	5' x 6'6"	Stock item
Super King mattress	180cm x 200cm	6' x 6'6"	Stock item/Made to order
Continental Double mattress	140cm x 200cm	4'7" x 6'6"	Made to order only
Continental King mattress	160cm x 200cm	N/A	Made to order only
Single long mattress	90cm x 200cm	3' x 6'6"	Made to order only
Single narrow mattress	75cm x 190cm	2'6" x 6'3"	Made to order only
Single narrow and long mattress	75cm x 200cm	2'6" x 6'6"	Made to order only

SIZE	METRIC	FEET & INCHES	AVAILABILITY
Single underlay	100cm x 200cm	3'3" x 6'6"	Stock item
Small Double underlay	120cm x 200cm	4' x 6'6"	Stock item
Double underlay	140cm x 200cm	4'7" x 6'6"	Stock item
King underlay	155cm x 200cm	5'1"x 6'6"	Stock item
Super King underlay	180cm x 200cm	6' x 6'6"	Stock item/Made to order
Continental Double underlay	140cm x 200cm	4'7" x 6'6"	Stock item
Continental King underlay	160cm x 200cm	5'3"x 6'6"	Made to order only
Single long underlay	90cm x 200cm	3' x 6'6"	Made to order only
Single narrow underlay	75cm x 190cm	2'6" x 6'3"	Made to order only
Single narrow and long underlay	75cm x 200cm	2'6" x 6'6"	Made to order only

SIZE	METRIC	FEET & INCHES	AVAILABILITY
Single overlay/quilt/duvet	140cm x 200cm	4'7" x 6'6"	Stock item
Double overlay/quilt/duvet	200cm x 200cm	6'6" x 6'6"	Stock item
King overlay/quilt/duvet	215cm x 215cm	7'1" x 7'1"	Stock item
Super King overlay/quilt/duvet	215cm x 255cm	7'1"' x 8'5"	Stock item/Made to order