White coasters are a bit trickier to come by, but these may do the trick. However, they’re not as good a fit as the 3.5-inch ones mentioned above. Pad & Quill Leather HomePod Coaster – $20 ...

However, this new coaster from Pad & Quill, which is now available for pre-order for $19.95 aims to resolve this issue. Made of leather, it’s purpose is to protect your wooden surfaces from damage.