We've crafted this with a focus on material quality. Neck weight: 0.8kg (1.76lbs) Perfect for smooth descents during pool training! Emphasis on material quality! Made in Japan! A brand new product with a great look. Maintain a stable horizontal position during pool practice! Excellent for head-first entries from a jackknife. Dolphins will be amazed by your rocket descent in the ocean! This weight of 0.8kg is highly recommended, making it easy to carry to the sea or pool! Recommended for those who are not good at making things themselves or have never used one before. ★ Rubber tube: Made in Japan, pinhole inspected ★ Buckle: Streamlined design from Nifco, a Japanese manufacturer used in a wide range of fields such as outdoor and sports, with excellent operability ★ Lead: Extremely small spherical pellets, 800g (1.76lbs), made in Japan ★ Tube thickness: Approximately 20mm ★ Tube inner diameter: Approximately 400mm ★★ Total weight: 850g (1.87lbs) ±10g Improve your skills with this neck weight, carefully crafted by a former product designer based on experience in freediving and dolphin swimming. ＜Precautions for use＞ ・Handle with care as it is a rubber product. ・After use, rinse with water and lightly wipe off the moisture. 　Close the buckle and place it on a level surface. 　Dry naturally, avoiding direct sunlight. 　The same applies after use in the sea. ・When carrying, put it in a plastic bag, etc. ・Before use, check for any damage. #freediving #divingequipment #neckweight #diving #skin diving #longfins #neckweight #weight #UMMY #snorkeling #skindiving #freediver #diving_snorkeling