Pro Maintenance Tips Learned from a Mattress Cleaning Technician✨ Two waterproof covers and a dust mite sheet are all you need. 1. Place a single layer of waterproof cover over the mattress base. 2. Lay a dust mite sheet on top of that. I bought mine at Daiso for 1,000 won. (Item No. 1013005) 3. Finally, cover it with one more layer of waterproof cover. Doing this prevents dust mites, the top cover blocks sweat and daily stains, and the inner cover protects the mattress itself, making it much more hygienic to use. You only need to replace the dust mite sheet every 3-4 months, so I wash the top cover every time I wash my duvet, and wash the inner cover whenever I replace the dust mite sheet. It's much simpler than you think, right? Make sure to try this out ❤️ #TodaysHome #콘수프기록집 #맞팔 #맞팔선팔 #MattressCare #매트리스청소 #살림팁 #살림정보 #살림노하우 #살림꿀팁 #살림일기 #다이소추천템 #진드기방지