Sandwich Pouch - Mustard Humpback Whale A genius little pouch that keeps your sandwich safe and fresh until lunch time. £6.00 The sandwich pouch will protect your lunch from getting squashed and keep it fresh for hours. Fold over the top and make a seal using the warmth of your hands. 20cm x 22cm approx 100% cotton, filtered bees wax, pine resin (rosin) and jojoba oil. Not for use with raw meat and fish. Due to its nutty nature, pine resin can cause allergies.