If you're in the market for portable fitness tools that allow for flexible settings, these kettlebells may be for you. Keep your full-body workouts going all year long — and at your own pace — with a set of BEACHBELL: Multi-Weight Portable Kettlebells.

Fully adjustable to match your fitness goals, these portable kettlebells are not like the rest. Ranging in weight from 3 to 35 pounds, depending on how hard you want to train, these durable kettlebells get their mass from sand. With guided weight marks visible on each bag, you simply need to load them up with any standard sand to reach your desired intensity load. It's as simple as that!

As featured in Men's Health, Lifehacker, and more, BEACHBELLS are designed with reinforced edges and sturdy aluminum handles for easy gripping. Used by personal trainers, boot camp groups of all sizes, and individuals at home or on the go, the bells' ergonomic construction will ensure ultimate comfort and maximum fitness results. Whether you're looking to build muscle, lose weight, or just maintain your current physique while at home, you'll be able to make it happen. All you have to do is find some sand.

Generally priced at $110, a set of two BEACHBELL: Multi-Weight Portable Kettlebells can be yours now for just $99.99. Continue your training all year long, with custom intensity, with this easy-to-use workout equipment.