Seals drain to fill tub with water Suction cup secures Stopper to tub floor Suction cup can be used to store stopper when not in use BPA freep; Phthalate and PVC free The OXO Better Guarantee: If you experience an issue with your OXO product, get in touch with us for a repair or replacement; We’re grateful for the opportunity to learn from your experience, and we’ll make it better