I know Universal Knife Block Holder - Round Kitchen Knife Storage Unique Slot Design to Protect Blades Space Saver Knife Organizer Detachable for Easy Cleaning

Polypropylene PP. EXCELLENT PROTECTION CLEAN HANGING Superior universal knife block holder is made of food-grade plastic body and rubber slot material. Unique slot design can realize excellent protection and clean hanging of knife blade. Elastic double layer heavy rubber slots ensure stable and tight knife fixation. The flexible rubber construction also avoids fractures effectively, thus providing a stable and durable knife holder. COMPACT SPACE-SAVING The round universal knife holder can hold so many more knives than you expected Easy to keep organized. Fits a lot of knives. Storing and organizing knives with our universal kitchen knife block can keep your kitchen tidy and neat. TODDLER SAFE LESS OBTRUSIVE Loose knife holders and exposed knife holders are very dangerous for toddlers. This knife holder avoids loosening and direct exposure, and won't getting funky like in a wood block or getting rust like in a stainless steel block or getting crowded and deformed like in a square holder