【product manual】 1. The cotton yarn provided by 40 cotton is delicate, refreshing and comfortable. 2. Comfortable cotton. 3. Thin sheets are good for storage, and the more detailed the bedding, the thin sheets should be used to have perfect conformity. 4. No more than just a good bed pack height of 7CM. 5. The firm design of the 360-degree elastic band: the tight design around it is not as easy to fall off and displace as the elastic band of the four corners. 6. The tightly wrapped bed bag does not slip because of turning over. 7. The product can not afford the ball, does not fade, and precisely controls the shrinkage rate. 8. Multi-section fabric processing, the bedding made is not easy to shrink, no hair ball. 9. It is softer after washing. [Printing and dyeing method] Dyeing treatment is more cost-effective environmentally friendly printing and dyeing agent, and then treated with multiple precision treatments and double-pass water treatment to make your use more comfortable and healthy. Material Fabric: Cotton 100 % Bedding safety three guarantees 1. Use environmentally friendly dyes that pass the most stringent environmental certification of European textiles (OEKO-TEX), free of harmful substances such as formaldehyde, toxic azo dyes, lead and organotin. The dye does not harm the skin and contains no carcinogens. 2. From dyeing and finishing, weaving, to production are all produced in Taiwan. Quality control and rigor are worth reassuring. 3. Every shipment will be tested by a metal detector.