It completely covers the sides of your bed with a margin of +30 cm. with special sewing, the chronic problem experienced by many people has been eliminated. it is made of cotton 57 wire ranforce fabric, not combed cotton. 1 piece of elasticated sheet and a single or double pillowcase will be sent according to the size. please measure your mattress and choose the relevant size for the correct result. you should get the size. 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 60 degrees. we answer your questions in 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.