Oval Hand Warmer. Made of PVC and gel, these heat pads are soft and bendable. Aside from using them as a hand warmer, you can also use them in relieving joint and muscle pains, tendonitis, arthritis, menstrual cramps, and more. To reuse, submerge in a pot of water and boil on stove for at least 15 minutes, or until filling is completely liquid and clear again. Complete instructions printed on item. Measuring 4.13*2.95*0inches, this custom oval reusable hand warmer. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: Portable, durable, practical for daily use.