Child safety locks for doors - set of 4 These are sold on Rakuten for 1000 yen for a set of 2. It seems that a total of 500,000 have been sold♡ I have kept them unused. How about it for families with babies? Door handle safety lock to protect children's safety. - Brand: Gutto - Product Name: Door Handle Safety Lock - Material: ABS - Size: 8 x 8 x 2 cm - Quantity: 1 piece