Such kitchen sink strainer can filter out food,, and that can block up your drains. The rubber washer that sits neatly underneath the Plug creates a seal when fully pressed in to the kitchen sink so that it acts as a plug and allows you to fill up the sink with water.
eBay
Hanging Drain Basket - Foldable Kitchen Sink Strainer, Multi-Color Over-the-Sink Drain Colander, Space-Saving Vegetable/Fruit Dr
Aliexpress UK
This Universal Bathroom Sink Plug Stopper is a silver coloured drain stopper suitable for use in sinks in both the bathroom and kitchen. With a bounce-up mechanism, this filter easily traps water and prevents blockages, making it a convenient addition to any home. Made from durable materials, this stopper is designed to last and effectively prevent water leaks and odours. Easy to install and use, it is a practical and stylish choice for any household.
eBay
Heavy-Duty Plastic Sink Base with Drain Board - Clog-Resistant Drain System & Dish Drying Rack, Under-Sink Storage Organizer
Aliexpress UK
2 in 1 function. It can be used as strainer or stopper. 2 x Kitchen Sink Strainer. Easy to use. Fits perfectly in all standard Kitchen 8cm drain with pin type operation. Easy to remove and clean stainless basket.
eBay
80/82/84mm Sink Strainer Waste Plug Basin Drain Filter Hair Catcher Stopper Sewer Drain Strainer Kitchen Sink Accessories
Aliexpress UK
1 x Toilet Plunger Drain Buster. Includes 2 plunger heads to allow you to get the best fit for your drain. Powerful plunger to unblock your toilets, bathtubs, sinks and drains with ease. Simply place over the hole and use the plunger to clear your blockage.
eBay
Kitchen Sink Double Hose Drain Kit Quick Draining Expandable Multiple Deodorants Universal Drain Kit for Kitchen Sink
Aliexpress UK
2X Premium Stainless Steel Replacement Kitchen Sink Drain Waste Plug Strainers .
eBay
Silicone Kitchen Sink Tray Soap Dish Holder with Drain Tip Countertop Sink Scrubber Drain Pad for Sponge Kitchen Bathroom Tools
Aliexpress UK
This stainless steel sink strainer is designed to prevent blocked sinks, baths, and basins by catching dirt, food waste, and hair before it goes down the drain. Simply place it into the plug hole for instant protection and smoother drainage.
eBay
Food Catcher Basket Magnetic Triangular Drain Basket Sink Kitchen Sink Corner Hanging Drain Strainer Basket No-drill Filter
Aliexpress UK
It features a polished silver finish, adding a sleek and stylish touch to any kitchen. Designed for efficient drainage, this waste plug is a practical and essential addition to your kitchen, ensuring that your sink remains clear and hygienic.
eBay
Kitchen Sink Sewer Strainer Basin Drain Stopper Stainless Steel Sink Waste Plug Filter Anti-clog Floor Drain Kitchen Accessories
Aliexpress UK
This Universal Bathroom Sink Plug Stopper is a round drain stopper made in China. It is suitable for sinks in the bathroom or kitchen, and has a silver colour. This bounce-up drain filter helps to prevent water from overflowing and also filters out debris to keep your sink clean. Perfect for keeping your bathroom or kitchen tidy and hygienic.
eBay
Kitchen Sink Filter Stainless Steel Mesh Sink Strainer Filter Bathroom Drain Hole Filter Kitchen Floor Drain With Handle
Aliexpress UK