RESISTANT AND LIGHTWEIGHT. The Reforce shaker’s tough food-grade stainless steel is ultra-durable and hygienic. Lightweight yet made to last DURABLE AND ROBUST. This large 900 ml shaker features a soft silicone base, a screw-on leak-proof lid, a soft loop handle and a smooth, matte gray powder-coated finish for a non-slip grip SMOOTH, LEAK-PROOF, AND SILENT MIXING. Say goodbye to loose parts and rattling noises while mixing your protein shake. The Reforce shaker bottle comes with a solid leak-proof lid and our signature mixer net that snaps into place, ensuring a smooth protein mix with zero lumps PRACTICAL AND SMART FEATURES. The Reforce steel shaker features an engraved measurement scale on the inside of the bottle. The bottle’s wide opening makes for easy cleaning (handwash only) SAFE MATERIALS & PACKAGING APPROACH: All Smartshake products are free from BPA, DEHP, BPS, and other harmful substances. To minimize our carbon footprint, shipping expenses, packaging waste, and to offer a more affordable product for our customers, this product is packaged in a lightweight bag made from recyclable plastic OUR PROMISE TO YOU: Smartshake products are strictly tested to ensure high quality and durability. [Note: this is a single wall steel bottle. Do not use with hot liquids] Performance is key: No need to worry with the Reforce Stainless Steel Shaker Bottle. The tough food-grade Stainless Steel is ultra-durable and hygienic. Lightweight yet made to last. The leak-proof lid and soft loop handle make it a natural part of your healthy lifestyle. Capacity: Bottle 900 ml / 30 OzMaterial: Stainless Steel 304, Silicone, Clear PP, BPA & DEHP Free