3M™ Hand-Masker™ Advanced Masking Film AMF99 is 3M's most flake resistant film for multi-coat paint applications. Use with 3M™ Hand-Masker™ M3000 Dispenser for fast paint masking. Great for dust and overspray containment. Is easy to unfold and use. Use to mask baseboards and trim. Use indoors and outdoors. Saves time and money.