It completely covers the edges of your bed with a side margin of +30 cm. with special sewing, the chronic problem experienced by many people has been eliminated. it is not combed, it is made of cotton 57 wire ranforce fabric. in addition to 1 elasticated sheet, single pillowcases in 90, 100, 120 sizes will be sent, and double pillowcases in 140, 160, 180 and 200 sizes. .for the correct result, please measure your mattress and choose the relevant size. you should take the exact size of your mattress. if your bed is 160x200, you should choose 160x200 size. the bed is completely rubberised. since 1st class rubber is used in the sheets, it is resistant to multiple washings. our products are manufactured in denizli and exported abroad. there is no reduction in size after washing. they can be washed and dried in the machine up to 40 degrees. it can be used for years as long as the washing instructions are followed. we answer your questions from the ask the seller section within 15 minutes. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.