This is a set of 4 futon clips from Pearl Metal. I bought them but am selling them because I don't use them. Futon Clips, Silver Width 10 x Depth 9 x Height 31.5cm HB-6181 ・Style: Futon Clips ・Product weight: (approx.) 0.25kg ・Material: Stainless steel ・Country of origin: China Stainless steel is the best! Durable and long-lasting! The Metaria series is made of stainless steel, so it's durable and long-lasting. Excellent durability! It is resistant to aging due to ultraviolet rays, etc., and boasts excellent durability and high holding power. It can be used up to a maximum width of about 32cm, so it can be used on balconies with wide concrete panels and thick futons.