Stump Chunks Kindling & Fire Starter Medium Sized Bags are available at Amazon.com. Please use the form below to request 35% off our medium sized bag of Stump Chunks. The bag regularly costs $15.00, but with the code the total cost of this med bag will be around $10.00 and free shipping, if you have an Amazon Prime Account. Only a limited amount of coupon codes are available each month. Please try again next month if the monthly limit has been reached.