You can return your mattress topper for an exchange or full refund within 30 days from the date of delivery. If you need to return your mattress topper, simply package the merchandise and contact us at support@brooklynbedding.com with the package dimensions. (Brooklyn Bedding does not provide packaging for sleep accessories returns.) We will email a prepaid shipping label for a merchandise return at no charge to you. Please note that shipping charges to Hawaii, Alaska and Canada are non-refundable.