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Orders are prepared in 1–3 business days and arrive 3–7 business days after they ship. Alaska, Hawaii, Puerto Rico, U.S. territories and APO/FPO/DPO addresses can take longer. You get a tracking number by email as soon as your order ships.
Free returns within 30 days of delivery: we email you a prepaid return label, no reason needed. Items must be unopened, with the manufacturer or tamper-evident seal intact, in their original packaging. Opened, used or partially consumed vitamins, minerals and supplements, items with broken or missing seals, and gift cards can't be returned. Damaged, defective, incorrect or expired items are always covered. Refunds go back to your original payment method within 10 business days of approval.
If you have a question about an item, its label or your order, email sales@naturalvitaminsonline.com with the product name or order number. We answer every message by email and reply within 1 business day (Monday to Friday, Eastern Time).
Talk to your doctor or pharmacist before starting a supplement, especially if you're pregnant or nursing, take medication, or have a medical condition.
†These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.
Talk to your doctor or pharmacist before starting a supplement, especially if you're pregnant or nursing, take medication, or have a medical condition.
COREGROUND 316 stainless steel shaker balls are replacement mixers for breaking up powder clumps in shaker bottles, with four large and four small balls for single or nested use.
Lost shaker balls can leave a bottle without the mixer it needs for protein drinks and other powdered beverages. COREGROUND’s replacement set offers two sizes and a nested design for mixing in everyday drink containers. It also suits other shaking tasks named for the set, including office matcha and homemade kitchen dressings. Choose a single ball or nest the two together according to the mix you are preparing, then shake in a compatible bottle or cup.
The inner-and-outer ball structure is designed to create double the mixing power when the balls are nested, helping break up stubborn powder clumps for a smoother blend. The balls can also be used singly, giving you a choice between one mixer and the nested arrangement. They are intended for shaking drinks and mixtures in a bottle or cup rather than for use as a standalone mixing tool.
Each shaker ball is made from 316 stainless steel, a marine-grade metal selected for resistance to rust and corrosion. The material is intended to handle high-acid fruit smoothies and electrolyte sports drinks during shaking. COREGROUND also identifies the balls as helping keep beverages clean and odor-free; this is a material-related product claim, not a promise of a particular result for every drink.
The balls are sized to fit most standard shaker bottles, travel tumblers and water bottles. The set contains four large and four small balls, making it useful when replacing lost mixers or keeping extra pieces available. Because bottle openings and interiors vary, compare your container with the intended standard-bottle fit before choosing; no exact ball or bottle dimensions are provided here.
For care, the smooth-glide edges are designed to help minimize scratches inside cups, and the alkali-resistant build is suitable for top-rack dishwashing. The storage accessories offer ways to keep the parts together between mixing sessions. The multipack is also positioned as a practical gift for fitness enthusiasts, particularly those who use shaker bottles for protein drinks. COREGROUND’s set suits people looking for replacement mixers for standard drink containers, with two sizes, optional nested use and included storage accessories.
Q: Will COREGROUND shaker balls fit my bottle?
A: COREGROUND shaker balls are sized for most standard shaker bottles, travel tumblers and water bottles. Compare your container’s fit, as exact dimensions are not provided.
Q: What comes with the COREGROUND shaker ball set?
A: The COREGROUND set includes four large and four small 316 stainless steel shaker balls, plus a storage case, mesh bag and manual.
Free standard shipping on every order to U.S. addresses, with no minimum. Orders are prepared in 1–3 business days and arrive 3–7 business days after they ship. Alaska, Hawaii, Puerto Rico, U.S. territories and APO/FPO/DPO addresses can take longer. You get a tracking number by email as soon as your order ships. See shipping details.
Free returns within 30 days of delivery. Free returns within 30 days of delivery: we email you a prepaid return label, no reason needed. Items must be unopened, with the manufacturer or tamper-evident seal intact, in their original packaging. Opened, used or partially consumed vitamins, minerals and supplements, items with broken or missing seals, and gift cards can't be returned. Damaged, defective, incorrect or expired items are always covered. Refunds go back to your original payment method within 10 business days of approval. See returns & refunds.
Damaged, defective, incorrect or expired item? Email your order number, a photo and the lot/expiration details to sales@naturalvitaminsonline.com and we will arrange a replacement or refund; this is always covered. Please report visible shipping damage within 7 days of delivery.
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