Detailed Product Description Using the new technology of hot-melting, and have some other hightlights: Seamless, No falling off quill, great absorption, etc. paint roller paint roller brush roller handles and framesroller brush Fabric: Polyester ModelSizePile HeightH11YL9 "19mmH12YL7"19mmH13YL5"19mmH14YL4"19mmH15YL3"19mmH16YL2"19mmL11YL9"19mmL12YL7"19mmL13YL4"19mm