WORKPRO Sandpaper Roll Set 4 Rolls, 9.3cm x 5m, 60/120/180/240 Grit, Aluminium Oxide Abrasive Sanding Paper for Sanding, Polishing and Rust Removal : Amazon.co.uk: DIY & Tools
Amazon.com: Felt Sanding Block
Felt Block - Metamark | Echidna Sewing
Chalkboard eraser makes a versatile sanding block - FineWoodworking