Royal and American beech sofas with international specifications. Made of steamed Roman red beech wood, glue, paint, and Italian rubber. The sponge has a 40 density. A lifetime warranty of 10 years on the wood and 5 years on the sponge and rubber. For more details, please contact ( Phone number appears when clicking the contact button ) , Abu Youssef. Best regards to everyone, and I am at your service 24 hours a day.