Just like you as a referee I've tried many score sheets over the years. Seriously Great Cards Will be using these from now on Referee's Dream AAAAA++++. There's no need for wallet, although they have been designed to sit perfectly on one side of your referee wallet if you prefer.
Soccer Referee Red Yellow Card Referee Wallet Notebook 11*8cm For Judgment Records For Basketball Swimming Skiing Competitions - AliExpress
Match Pad (Coloured) – REFSTORE
RefStuff RefScorer
RefSwallet
Football Soccer Referee Score Cards Sheets Pad Record - Will fit in a wallet
Football Soccer Referee Score Cards Sheets Pad Record - Will fit in a wallet
Referee Match Report Card
RefStuff RefSheet (pack 50) Football Soccer Referee Match Day Score Sheets Pad
RefStuff RefSwallet Soccer Referee Wallet Notebook Scorepad
Cricket Umpire Score Cards - 50 Overs - Score Sheets Referee Cards Pads Records - Bowler (1) : : Sports & Outdoors