Here are some common mattress sizes in the United States. I hope they will be helpful to you.   1-- Single or Twin Size: 39x75 inch or 99x190.5cm; 2-- Twin XL Size: 39x80 inch or 99x203cm; 3-- Double Size: 54x75 inch or 137x190.5cm; 4-- Queen Size: 60x80 inch or 153x203cm; 5-- King Size: 76x80 inch or 193x203cm; 6-- California King Size: 72x84 inch or 183x213cm;

Yes, Betsy mattress is a brand of Foshan Qisheng Sponge Co., Ltd., a source factory integrating production and sales, specializing in providing OEM services for global mattress brands.

For new customers, it usually takes about 40 days to confirm the details such as LOGO and carton. For regular customers, it usually takes about 30 days for production.

It usually takes 48-72 hours for the mattress in a box to expand after unpacking. This is because it needs to allow air to fully enter the compressed mattress and then enter the expansion and recovery process. The expansion time required for different materials such as memory foam, high-density foam, springs, etc. is different, but 72 hours is usually enough. For areas with particularly low temperatures, it may take up to 7 days.

Mattress In A Box (or Bed In A Box) is a mattress that is vacuum compressed, rolled up and packed in a box. This not only reduces the space required for transportation, but also saves on express delivery costs. Therefore, Mattress In A Box is very popular in online sales.

According to the material, mattresses are mainly divided into spring, memory foam and hybrid mattresses. From firmness, they can be divided into extra soft, soft, medium, firm, and extra firm. Therefore, according to different factors such as body shape and weight, everyone's demand for the best mattress is different.