Fast acting menthol pain relief. 2 Sizes: Extra large and long. Contains four individually packaged pain relief patches. 2 extra large 9.84 inches x 5.5 inches (25 cm x 14 cm). 2 long 7.87 inches x 3.94 inches (20 cm x 10 cm). Cool the pain. Designed to provide up to 8 hours of long lasting pain relief. Proven cold therapy formula for some muscles, backaches, and joint pain. Flexible fabric for superior performance and comfort. No. 1 clinically recommended (Trusted by pharmacists, physical therapists, chiropractors, massage therapist, podiatrists, and athletic trainers). Pain relief patches for some muscles, backaches, and joint pain. Long-lasting. Vanishing scent. Paraben-free. Provides up to 8 hours of pain relief. Proven cold therapy formula. Flexible fabric stays in place. Targeted, mess-free application. Does not contain NSAIDs, Ibuprofen, Aspirin or Salicylate. www.biofreeze.com. Made in China.