Allergen-Free Seal Lid Fits 11.4,17.2,20.8 Camsquares: Sealing lid fits 11.4, 17.2 and 20.8 litre CamSquares. Purple colour.: Purple Seal covers feature an inner and outer seal to help keep ingredients safe from cross-contamination. Use with 11.4, 17.2 and 20.8 litre CamSquares.
even during transport.