Sandwich Pouch - Navy Whale A little envelope to keep your sandwich safe until lunch time. £6.00 The sandwich pouch will protect your lunch from getting squashed and keep it fresh for hours. 20cm x 20cm 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.