The Dye Flex TWST Bottle Cover combines style and protection for your bottle. With its attractive design, easy installation and non-slip grip, it is perfect for paintball and airsoft players. It fits various bottle sizes and protects the main body, neck and regulator from scratches and bumps. Compatible with various bottle models. The cover offers optimal protection and a customized look. Compatible with various bottle models in sizes 1.1 and 1.2 liters. Also fits 50, 68, 77, & 90 CI tanks.