Material: Constructed from deodorized PVC, the mat stays odorless and maintains soft, stable shape amid long-term daily shower use.Structure: Dense suction cups cover the bottom to fix firmly on smooth tub surfaces; evenly distributed drain holes help liquid flow through smoothly.Design & Function: Raised round bump layout boosts surface friction to lower slip risks, and oval shape delivers full coverage to cut exposed slippery areas inside bathtubs.Application: Sized at 35"×16", it works well for standard and oversized tubs across home bathrooms, and supports machine wash to simplify routine upkeep.