All the products are shipped from US warehouse(CA or NJ)!All the products are shipped from US warehouse(CA or NJ)!All the products are shipped from US warehouse(CA or NJ)!Product specifications: -Material: iron + stainless steel. -Small size bed can be made up to 90 cm to 1.2 m wide, and the single side is 70-90 kg. -Large size bed can be 1.2 meters to 1.5 meters wide, 1.8 meters light bed (can be turned sideways) vertical wall bed spring box (double) single side load 108 kg. -The trumpet is 5 springs. Large 9 springs have a larger bearing capacity, better pull and longer life!Installation Instructions: 1. Dare to pull out the U-shaped buckle and divide the spring into two parts. 2. Install the box plate on the side of the cabinet and install the spring part on the bed frame. 3. After the two parts of the wall bed box are installed, assemble the two parts together. Make sure that the bed cabinet body and the entity are filled with 2~4 foot expansion bolts. 4. Rotate the bed open again and insert the U-shaped buckle into the eyelet. Accessories weight: The small set weighs about 6.3kg, and the large set weighs about 11kg.The package contains: 2 pcs spring hinges 2 pcs legs 2 pcs leg mounting 1 pc hexagonal tool and screw bag