Our products are subject to individual manufacturer warranties and guarantees. If for any reason you are not satisfied with any product it can be returned within thirty days for a refund. Our Drums Cup Cap tools are meant for temporary use and should be replaced when wear becomes evident. Our products are not guaranteed to work in every situation and professional judgement should be used to determine whether our product is satisfactory for use on a case by case basis. By purchasing and using our products you agree to hold Towinnovations.com and Drums Innovation LLC harmless of any damages or claims that may result from using our products.