Our leak proof TKWide Insulated Wide Loop Cap increases the thermal performance of our TKWide bottles with its integrated one-piece vacuum insulated stainless steel center.. The cap creates a full stainless steel interior with double silicone gasket seal. The TKWide Insulated Wide Loop Cap features low profile design, easy-carry swivel loop handle and is dishwasher safe.. The cap is backed by the lifetime Strong as Steel guarantee for a lifetime of use from your Klean Kanteen solutions. Compatible with TKWide Klean Kanteen bottles only.. Features-. Pairs with TK Closure internal thread design to increases thermal performance and compatible with TKWide bottles.. BPA Free.. Polypropylene (pp#5), food-grade silicone and stainless steel construction.. Vacuum insulated.. Large, easy-carry swivel loop handle.. Easy to clean.. Dishwasher safe.. Leak proof.. Provides an all-stainless steel interior.. Low profile design.. Backed by the lifetime Strong as Steel guarantee.. Specification-. Parts 1 cap (2 replaceable gaskets). Weight 4.4 ounces (124.6 g). Size 2\" H x 3.0\" W (50.8 mm H x 76.2 mm W). Leakproof Yes