Protect your glasses as well as the planet with our BEGI recycled bottle cover.. Sustainable materials:. Recycled fabric from 1 plastic bottle. Recycled polyester fiber. Recycled label. Recyclable rubber. Laser cut. With the recycling of plastic bottles, in addition to giving a new life to the product and preventing it from ending up on land or in the sea, in the subsequent industrial process 20% less water is consumed, 50% less energy is used and it is polluted 60% less.