Permanent flame-retardant viscose sleeve

1. Flame retardant core-spun yarn inner sleeve (permanent)  specification: 33″×98″, 34″×100″, 42″×115″, 51″×125″
2, flame retardant domestic viscose inner sleeve (permanent)  specifications: 34″×108″, 43″×115″, 51″×125″
3, ordinary viscose post-processing inner sleeve   specifications: 34″×108″, 45″×115″, 51″×125″
4, cotton polyester post-processing inner sleeve specifications: 34″×108″, 45″×115″, 51″×125″