There are many mascaras that claim to provide both volume and length. Here are some of the best mascaras for volume and length according to various sources:

1. COVERGIRL Lash Blast Mascara: This mascara is an affordable option that adds incredible volume and length, earning five out of five for its performance during testing.

2. Too Faced Better Than Sex Mascara: This mascara creates a dramatic, multi-dimensional effect and is a close second to COVERGIRL Lash Blast Mascara.

3. Yves Saint Laurent’s Volume Effet Faux Cils Mascara: This is a luxury option that is a firm favorite for its volumizing and lengthening effects.

4. Maybellines Sky High Mascara: This mascara uses tiny bamboo fibers to add a ton of length and volume to lashes.

5. Lash Paradise Mascara: This drugstore mascara is a best-seller and provides great volume.

6. YSL Lash Clash Extreme Volume Mascara: This mascara provides major volume, notable length, and zero clumps.

7. Charlotte Tilbury Pillow Talk Push Up Volumizing & Lengthening Mascara: This mascara provides volume, length, and definition.

8. NARS Climax Mascara: This mascara is buildable and provides a full lash effect without clumps.

9. MAC Stack Mascara: This mascara is a thicker formula that is amazing for volume and can give you the indie sleaze chunky lash look.

10. Lancôme Monsieur Big Waterproof Mascara: This mascara has a creamier, buildable formula that is great for adding volume.

Its important to note that everyones lashes are different, so what works for one person may not work for another. It may take some trial and error to find the perfect mascara for you.