Purple Despicable Me Minion Toy Character Polymer Necklace £6.35 Purple Despicable Me Minion Polymer Necklace. Brand new to the website. This lovable character is now in a dark purple version. Made from polymer. Available necklace lengths for this item are; 16in, 18in, 20in and 22in. Sterling silver is also available. Silver plated chain comes as standard. Nickel free. Pick from two different character expressions.