Black Rubber Sink Plug for Kitchen, Bathroom, and Restaurant Use - Multi-Functional Drain Stopper with Tight Seal to Prevent and Debris, Size: 3.3 x

Walmart - HAONISHI

Black color matches exactly, Round shape with central knob matches perfectly, Appears to be rubber material, consistent with source, Functionality as a sink stopper aligns, Texture on the stopper surface is similar

InSinkErator Sink Stopper

Home Depot

Overall circular shape and dimensions match, Raised central stopper component is identical in form, Exact matte black color match, Subtle concentric rings/texture on the outer rim aligns with video, Appears to be made of similar rubber/plastic material, Fits the general description and category of a 'Black Kitchen Sink Stopper'

Ace Garbage Disposal Stopper

Ace Hardware

Black color matches exactly, Round shape with central knob matches, Appears to be rubber material, consistent with source, Functionality as a sink stopper aligns