Assorted vibrant c5 peel and seal pack of 15 assorted vibrant c5 peel and seal pack of 10 ub70051 vibrant c5 envelopes are made from high quality 120gsm paper ensuring that they do not rip or become damaged in transit the bright design is ideal for all personal communication adding a little colour to your recipients day without having to compromise on quality with a peel and seal closure these envelopes are easier for sending in high volumes ensuring that you dont have to moisten each