Spring mattress fabrics don't back down how hold?

Q: the spring mattress buy home is removable, spring mattress with more than a year, feeling a little dirty, the spring mattress outside that a layer of the fabric down wash, after installed or not? A: to make a spring mattress more full and smooth, so the spring mattress cover is fit with the tank, when making good amateurs will fabrics is removed, but the back is bad operation. Spring mattress fabrics made removable benefit is not convenient to clean, convenient to check the spring mattress bladder spring mattress fabrics clean generally use baking soda to clean on the surface, and then use vacuum suction clean can. Spring mattress use about half a year out and bask in the sun can have the effect of sterilization. Q: what do you use spring mattress side holes? A: that call vent, is used for internal heat, moisture emission spring mattress. Q: spring mattress side zip is decoration or have other USES. A: spring mattress side zip is to allow customers to buy time to see real inner spring mattress and the actual purchase basic wouldn't work after I get home.