Stress balls are the workhorse of the promotional products industry: corporate events, trade-show booths, onboarding kits, insurance and real-estate campaigns, and wellness programs all buy them in volume with a printed logo. They are equally strong as bulk fidget and focus tools for schools and offices, shelf stock in pharmacies and gift shops, and quiet desk toys for anxiety. Importers can run one shape across several colors to build a display without multiplying tooling. Every SKU below lists its size, filling, recorded case pack and factory-direct price.