PATTERN to make: Grape Bottle Cap Hot Plate Mat / Pad. Remember these? Very practical. Requires 25 bottle caps. Make with crochet cotton and Steel crochet hooks Nos. 7 and 4. Each Vintage Home Arts pattern comes in an acid-free archival quality sheet protector ready to be placed in a binder. An additional free Vintage Home Arts pattern (our choice) is included with every order. This pattern is a cleaned and restored reprint from the exclusive collection of Vintage Home Arts and is copyright protected. Again, this is NOT a finished item, but a pattern to make an item.