Set of 4 + 1 bonus... One is slightly smaller. [Ingredients] Used oil (soybean oil), palm oil, coconut oil, sodium metasilicate, purified water Handmade used oil soap! Use for washing dishes, cleaning dirt on shoes, socks, clothes, etc., and for general cleaning. * Release date: December 3, 2025 * As of December 5th, 5 pieces weigh approximately 200g. The weight will decrease as it dries. * pH confirmed * Due to being handmade, there may be variations in shape, distortions, and air bubbles. * The rough surface and white marks on the soap are soda ash (sodium carbonate crystals) formed by exposure to air. There is no problem with use. * Store away from high temperatures and humidity. After use, it becomes especially prone to dissolving, so store in a well-draining container. * If you experience skin irritation from using the soap, discontinue use immediately. * This soap is sold as a miscellaneous item. It is not a medicine or cosmetic. Please refrain from using it on your face or body. * We are not responsible for any problems arising from the use of this product.