Feature: 1. Made of high-quality PP material with higher strength and toughness, durable to use. 2. Keep your batteries organized and protected. 3. Suitable for almost all AA batteries, turn AA battery into D battery. 4. Negative plate is flexible, so it can fits AA battery with different length. 5. 4 * AA to D battery converter in the package. Specification: Features: Made of high-quality PP material with higher strength and toughness, to use. Keep your batteries organized and protected. Suitable for almost all AA batteries, turn AA battery into D battery. Negative plate is flexible, so it can fits AA battery with different length. 4 * AA to D battery converter in the package. Note: AA Battery is not included. Specifications: Product Name: AA to D Battery Converter Material: PP Item Size: 5.9*3.2*3.2cm / 2.32*1.26*1.26in Item Weight: 9.2g / 0.32oz Package Size: 12*7*3.5cm / 4.72*2.76*1.38in Package Weight: 38.1g / 1.34oz Color: White Packing List: 4 * AA to D Battery Converter Package List: 4 * AA to D Battery Converter