Hello Kea, Thank you for your question regarding our Delta toilet seats and I am happy to help you where I can. Please visit the link below to our website to view our other toilet seat models: https://www.deltafaucet.com/bathroom/toilets/toilet-seats To refine the results, please select 'Round Seats' under the 'Type' tab on the above page to view some of our models which have thicker lids. Please feel free to give us a call on our warranty line at 855-345-1345 if we can assist you with anything further! Have a wonderful day, Brandy Delta Faucet Company Customer Service