Amazon Non-adhesive body warmer, 30 pieces Regular size Duration: Up to 16 hours Expiration date: 2028.6 Made in Japan Shipped via Yu-Packet Plus. Due to thickness, one bag (10 pieces) will be shipped without the outer packaging. Thank you for your understanding. Purchased in December 2025 Warm from morning until returning home at night. Perfect for daily commutes, school, winter sports, and travel.