Our 162 x 229mm white gummed wallet envelopes with windows are made from 90gsm, high-quality paper and are perfect for sending all your important documents. Boasting excellent eco credentials, these envelopes are recyclable, biodegradable, compostable, made from sustainable sources and are PEFC certified. Key features: Made from high-quality 90gsm paper Gummed closure for a strong, reliable seal Window Size: 50 x 90mm   Window Position: 60mm up – 20mm from the left   Paper Weight: 90gsm