It's hard to beat an ice-cold beverage at a tailgate, picnic, or get-together on a warm summer day. Keep it cool with the Lectric hard cooler! Keeps contents icy cold for up to 72 hours. Includes two cup holders on the top for easy access to your favorite beverages. Easy-to-use stretch latches keep the Cooler firmly closed and insulated while on the go. A rear drain plug makes clean-up easy and efficient. *Product Requirements: Due to weight distribution limitations and potential impact on bike handling, the Hard Cooler is recommended for use in the REAR Rack only. The Hard Cooler is NOT intended to be used in the Front Rack. Compatibility: Lectric XP (XP 1.0, XP 2.0, XP 3.0, & XP4 Models) Lectric XP Lite (1.0 & 2.0 Models)* Lectric XPremium Lectric XP Trike (Model 1 & 2) Lectric XPedition (1.0 & 2.0 Models) Lectric XPeak Lectric ONE* Lectric XPress* Lectric XPress2 (Cruiser, Commuter) Most standard bicycles or eBikes with a rear rack and/or basket *eBike models with an asterisk do not include a rear rack to mount the Hard Cooler, but can be purchased separately. What's in the Box: Hard Cooler (Fully Assembled) Product Specifications: 20 Liter Capacity 45.8cm Length x 35.8cm Width x 34.5cm Height Weighs 5.3 kg Outer material: LLDPE, Inner Material: PU Foam Rubber Elastic Front Latches Padded Aluminum Handle 4 Rubber Base-Pads Dual-side Handle Notches 10 mm Deep Cup Holders Instructions: Quick instructions found here.