Quick-fit has been created using a special laminated fabric s-guard hygiene that is waterproof and breathable. this special fabric is manufactured using german technology and chosen to achieve great resistance to washing and give the elasticity that allows perfect adaption of body movements. breathable advanced technology barrier fabric is waterproof yet breathable acts in the same way as human skin. provides a complete barrier to bed-wetting incontinence odd spills etc keeping the mattress fresh and significantly extending its life. it is very comfortable and cool to sleep on. our mattress protector has a top layer made of ultra-absorbent cotton terry that regulates the body temperature and keeps your protectors cool and noiseless. promising long comfortable sleep to your baby.