Material: African blackwood (granadilla), silver925 (inlay) Reference product size: No. 13 [Made-to-order production of order size] Since everything is handmade, it takes about 3 to 4 weeks from the order. [Precautions for ring size request] This ring has a feeling that the part where the finger is inserted (the inner diameter) sticks to the finger, so it is easier to wear if it is about 2 larger than the normal number. (Example #13→#11のサイズの方がちょうど良いです) [About wooden products] ■ Precautions for rings Please note that if it does not fit, such as smaller than the size of your finger, or if it is subjected to strong force, such as other sports or carrying heavy loads, it may break. ■ Maintenance ・If the surface loses its luster, apply oil such as Tsubaki oil or olive oil or naturally derived wax and wipe dry with a tissue. ■ Precautions for the use of chopsticks ・When washing, apply detergent to the sponge and wash gently, then wash with water and wipe off moisture. ・Do not put in dishwasher. ・Due to the nature of wood, it may adhere to the white cloth when washing and wiping, so use a paper napkin or use with caution. 〈MPINGO〉 African blackwood, which is used for woodwind instruments, is a rare wood that has been designated as a near-threatened species. Substandard parts generated during the production of musical instruments were reused and upcycled into high-end products through the delicate skill of the sculptor. We will deliver the splendor of music and its power to bring peace to the world, as well as the environmental problems of the earth and the efforts of those who support them in the form of jewelry.