This is a lubricating jelly that supports fertility treatments for couples who want to become parents of a baby boy. It is made with a focus on quality so that you can use it with peace of mind during a sensitive time. 【Product Features】 ■ Freely Adjustable Filling Type You can freely adjust the amount of jelly to suit your physical condition and lifestyle. It supports the timing of fertility treatments with the optimal amount. ■ Research-Based pH Balance To support the ideal environment, the pH of the jelly is adjusted to a weakly alkaline "pH 7.5" based on research. ■ Gentle, Additive-Free Formula The main ingredients are naturally derived. Considering the delicate body during fertility treatments, it does not use 8 additives: fragrances, colorants, parabens, mineral oil, silicones, UV absorbers, phenoxyethanol, and petroleum-based surfactants. ■ Hygienic and Safe Medical Device Syringe The included syringe is a general medical device registered with the PMDA under the jurisdiction of the Ministry of Health, Labour and Welfare. (Notification Number: 13B2X10457000001) It is a clean, single-use type that is individually packaged and sterilized with electron beam sterilization, so you can rest assured about hygiene. It is easy to use even for first-timers. ■ Reliable Domestic Integrated Production From the jelly itself to the syringe and outer box, everything is manufactured in Japanese factories. It is made in Japan under thorough quality control. 【About Purchase】 Brand new and unused. Shipping costs are covered by the seller. Instant purchase is OK. Please check the product description and images for details. If you have any questions or concerns about the product, please feel free to comment in the comment section.