🔧 Upgrade your tumbler game with BY-83: the gasket that means business.
The BY-83 is a durable black silicone gasket designed by Bay State Importers to fit most 20-ounce stainless steel tumblers, excluding Thermos brand. Lightweight and compact, it ensures a secure, leak-proof seal, making it an essential accessory for professionals who demand reliability and style on the move.
| Brand | Bay State Importers |
| Colour | Black |
| Product Dimensions | 6.99 x 6.99 x 6.99 cm; 9 g |
| Capacity | 567 g |
| Material | Silicone |
| Item Weight | 9 g |
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