Accidents happen! But I do sell the new replacement pads at cost only with free shipping. The Gold Series Thermal pad offers a few new features - 

• Thermal Management - Provides warmth in cold temps and cooler in hot temps. 
• Comfort - The updated pad uses cushioned individual compartments for very effective padding and pet comfort
• Space Management - The new pad is thinner thinner as well as lighter than ever before and allows for more interior space for your pet
• Easily Machine Washable