1. Country of origin: Different countries have their own versions of Peak milk powder, with varying ingredients and flavors. Knowing where the milk powder comes from will narrow down the search considerably.

2. Type of milk powder: Peak produces various types of milk powder, including: * Full cream: Rich and creamy, containing all the milk fat. * Skimmed: Lower in fat than full cream, suitable for those on a weight-loss plan. * Semi-skimmed: Falls between full cream and skimmed in fat content. * Instant: Dissolves easily in hot or cold water. * Toddler milk: Formulated for the nutritional needs of toddlers.