Does the topper have a guarantee? March 11, 2019 13:57 Follow Yes, it's covered by a 1 year guarantee. Related articles What does the mattress 10 year guarantee cover? Is there a guarantee for the pillow and Simba bedding? I have allergies. Is Simba suitable? How do I contact you? I recently bought a Simba product that's no longer being sold. Is the warranty affected?